Projects to look into

https://api.kde.org/frameworks/kquickcharts/html/index.html

https://github.com/219-design/qt-qml-project-template-with-ci

https://github.com/ABBAPOH/learnopengl-qt Qt-ified examples from learnopengl.com

https://github.com/Ableton/aqt-stylesheets

https://github.com/ArsMasiuk/qvge Qt Visual Graph Editor, with graphviz support

https://github.com/BrigJS/brig JS-only apps using Node and Qt Qml

https://github.com/CefView/QCefView Widget encapsulating Chromium Embedded Framework (CEF)

https://github.com/ChristophHaag/motorcar 3D compositor system with QtWayland

https://github.com/CrimsonAS/gtkplatform

https://github.com/Daguerreo/QMLTreeView QML tree view with a C++ model

https://github.com/DavidXanatos/NeoScriptTools Qt6 compatible fork of Qt4 ScriptTools

https://github.com/DeiVadder/QtPhrasebookUtilityTool TS/qph/translation tools

https://github.com/Furkanzmc/QML-Coding-Guide Some opinionated "best" practices

https://github.com/Furkanzmc/QML-UI-Animations QML implementation of some mockup UIs

https://github.com/Furkanzmc/qml_widgets Use QtWidgets with QML

https://github.com/GillesDebunne/libQGLViewer Helper to make 3D views (camera, screenshot, etc)

https://github.com/HamedMasafi/QInjection Dependency injection for Qt

https://github.com/HappySeaFox/qsseditor Edit and preview style sheets

https://github.com/JackyDing/QtFlex5 Flexible and dockable widgets for Qt5

https://github.com/Megaxela/QCodeEditor Code editor widget with some features

https://github.com/MidoriYakumo/learnopengl-qt3d learnopengl.com’s examples in Qt3D

https://github.com/OlivierLDff/QOlm QAbstractListModel wrapping a list of QObject

https://github.com/OlivierLDff/Qaterial Material Components on QtQuickControls

https://github.com/QuasarApp/Qt-Secret Wrapper of OpenSSL with Qt

https://github.com/SeriousAlexej/TabToolbar Allow creating tabbed toolbars

https://github.com/Skycoder42/QtMvvm

https://github.com/Skycoder42/QtService library to easily create system services

https://github.com/Tannz0rz/GridStarLayout

https://github.com/VSRonin/QtModelUtilities

https://github.com/ableton/aqt-cassowary Use a constraint solver for layouting QML applications

https://github.com/addisonElliott/HttpServer Qt-based HTTP server

https://github.com/agateau/cookiecutter-qt-app

https://github.com/alamminsalo/qmlnotify

https://github.com/antony-jr/QArchive libarchive wrapper

https://github.com/approximator/Qt-Qbs-Application

https://github.com/apripolzin/LearnOpenGl_Qt6

https://github.com/arnt/qt-history2 Old history of the Qt repository

https://github.com/azrilrahim/qt-rfb-client RFB or VNC client 100% based on Qt

https://github.com/bwalter/qt-promise Chainable promises (unreviewed)

https://github.com/canonic/canonic Web browser that runs WASM

https://github.com/danvratil/qcoro Qt-integrated coroutine support

https://github.com/darkmattercoder/qt-build Qt build environment inside Docker

https://github.com/develtar/qt-pdf-viewer-library Renders PDF in a WebView using PDF.js

https://github.com/diegoiast/qutepart-cpp Code editor component for Qt 6

https://github.com/ec1oud/qqchart Simple line charts in Qt Quick using the GPU

https://github.com/ec1oud/qt-tuio-sender

https://github.com/emericg/MobileUI Mobile-specific functionality for QML (Android/iOS)

https://github.com/emericg/QmlAppTemplate App template with deployment support

https://github.com/f35f22fan/Ods2 ODS (Open Document Spreadsheet) with Qt

https://github.com/faaxm/spix UI test automation library for QtQuick/QML

https://github.com/filcuc/dotherside C library for bindings to QML

https://github.com/forderud/QtWasm Docker container for building with Qt WASM

https://github.com/fpoussin/Qt5-MSVC-Static

https://github.com/fpoussin/QtUsb

https://github.com/githubuser0xFFFF/Qt-Advanced-Docking-System

https://github.com/githubuser0xFFFF/Qt-Advanced-Stylesheets

https://github.com/githubuser0xFFFF/QtFreeVirtualKeyboard

https://github.com/gnomezgrave/qt-auto-translator Translate TS files semi-automaticly

https://github.com/gongjianbo/EasyQPainter Several easy QPainter demos (including 3D ones)

https://github.com/gpospelov/qt-mvvm

https://github.com/guerinoni/qTsConverter Convert TS to spreadsheet

https://github.com/jcelerier/qml-creative-controls

https://github.com/jkriege2/JKQtPlotter

https://github.com/jpnurmi/qtjsongadget QObject/Q_GADGET to JSON

https://github.com/juangburgos/QDeferred alternative to async threaded execution

https://github.com/juangburgos/QUaModbusClient

https://github.com/juangburgos/QUaServer

https://github.com/juangburgos/QUaServerWidgets

https://github.com/jurplel/QtApng Support the APNG format (animated PNG)

https://github.com/laserpants/qt-material-widgets

https://github.com/lelegard/qtlinguist-installers

https://github.com/lqt5/lqt Lua bindings (use Qt from Lua)

https://github.com/martinky/qt-interactive-coding

https://github.com/martinrotter/qt-minimalistic-builds

https://github.com/mitchcurtis/logging-ini-generator

https://github.com/miurahr/aqtinstall Qt CLI installer from official packages

https://github.com/nitroshare/qmdnsengine Multicast DNS library for Qt

https://github.com/nowrep/qpa-headlessegl platform plugin to use OpenGL headless

https://github.com/oblivioncth/Qx Lots of different extensions to Qt’s functionality

https://github.com/olegyadrov/softwarerenderer QPainter-based 3D soft renderer

https://github.com/parhamoyan/QuteChart Chart monthly aggregated data

https://github.com/patrickelectric/qhot Hot reload for QML, supporting nested files

https://github.com/paulolav/mazecompositor Qt6 fork of the maze compositor

https://github.com/pbek/qmarkdowntextedit

https://github.com/pwuertz/QtQuickPlotScene Basic components for creating plot scenes

https://github.com/randrew/phantomstyle Cross-platform QStyle for traditionalists

https://github.com/rmallah/fakemodel Generates placeholder QML models

https://github.com/simulton/QSchematic Make diagrams like flowcharts or engineering schematics

https://github.com/stereomatchingkiss/QImageScraper Image scrapper using Qt WebEngine

https://github.com/tetsurom/rxqt Qt integration with RxCpp (reactive cpp)

https://github.com/uwerat/qpagbm Platform plugin for offscreen Qt/OpenGL applications

https://github.com/uwerat/vnc-eglfs VNC server for Qt/Quick on EGLFS

https://github.com/vioken/qwlroots Bindings to wlroots (wayland compositor library)

https://github.com/vioken/waylib Wrapper for wlroots (unclear relation with qwlroots)

https://github.com/vladimir-kraus/qtutils

https://github.com/p-ranav/awesome-hpp

https://github.com/AnswerDotAI/gpu.cpp Make low level computations on the GPU, via WebGPU

https://github.com/AnthonyCalandra/modern-cpp-features a sort of cheatsheet

https://github.com/ArthurSonzogni/FTXUI Library for terminal user interfaces

https://github.com/BowenFu/matchit.cpp Pattern matching, header only

https://github.com/David-Haim/concurrencpp Support for tasks, executors and coroutines

https://github.com/HO-COOH/SugarPP Some syntax sugar facilities

https://github.com/KonanM/tser Very tiny serialization library

https://github.com/Naios/idle asynchronous and hot-reloadable C++ framework

https://github.com/Neargye/magic_enum Like QEnum, but with different pros/cons

https://github.com/Neargye/nameof obtain the name of a variable, type…​

https://github.com/SpartanJ/efsw Cross platform filesystem watching

https://github.com/TartanLlama/generator Generator for coroutines, ranges support

https://github.com/ThePhD/infoware Library for pulling system/hardware information

https://github.com/UltraEngine/tableplusplus C++ library for tables that behave like Lua’s

https://github.com/Viladoman/StructLayout Visualize layout of C++ structs

https://github.com/VincentZalzal/noisy Header that prints calls to every special member function

https://github.com/ac3ss0r/obfusheader.h Header-only obfuscation library

https://github.com/akrzemi1/explicit Utilities like tagged_bool and not_null

https://github.com/aras-p/ClangBuildAnalyzer build analysis using -ftime-trace

https://github.com/arturbac/simple_enum

https://github.com/atomgalaxy/libciabatta Mixin library

https://github.com/bkryza/clang-uml UML diagram generation from C++ sources

https://github.com/bloomen/transwarp Task concurrency via a graph of tasks

https://github.com/boost-ext/mp Make meta-programming the same as runtime programming

https://github.com/camio/modules-example Simple Makefile/clang-based example of C++ modules

https://github.com/changkun/modern-cpp-tutorial Large book-like tutorial

https://github.com/cieslarmichal/faker-cxx Library for generating fake data of many kinds

https://github.com/cpp-testing/GUnit Simplifies and improves GMock and GTest

https://github.com/cppfastio/fast_io Fast input/output library

https://github.com/danielaparker/jsoncons JSON, CBOR, MessagePack, etc

https://github.com/davidstone/bounded-integer library for bounded integers

https://github.com/duneroadrunner/scpptool Project to attempt to provide a "safer" C++ subset

https://github.com/e-fever/xbacktrace

https://github.com/edubart/minilua Lua packed into a single header

https://github.com/effolkronium/random Very simple to use function to generate random numbers

https://github.com/emil-e/rapidcheck Property based testing in C++

https://github.com/eranpeer/FakeIt Mocking library

https://github.com/eyalz800/zpp_bits Serialization and RPC (unobtrusive)

https://github.com/eyalz800/zpp_throwing Coroutines as exceptions alternative

https://github.com/facebook/rocksdb Persistent Key-Value Store for Flash and RAM Storage

https://github.com/foonathan/debug_assert Simple, flexible and modular assertion macro

https://github.com/google/highway Performance-portable, length-agnostic SIMD with runtime dispatch

https://github.com/google/integers Safe integers (custom behavior)

https://github.com/googleprojectzero/weggli semantic search tool for C and C++

https://github.com/grandseiken/static-functional Compile-time functional wrappers

https://github.com/jart/cosmopolitan build-once run-anywhere C and C++ library

https://github.com/jeremy-rifkin/floating-pointers Pointers on floating point numbers (humor)

https://github.com/jeremy-rifkin/libassert Fancy assertion library

https://github.com/jimmiebergmann/mini-yaml Header-only YAML library

https://github.com/jk-jeon/dragonbox Nice float to string library

https://github.com/jmarkowski/codeviz Generates a graphviz graph of header dependencies

https://github.com/joboccara/NamedType

https://github.com/johnmcfarlane/unformat generates .clang_format from code

https://github.com/lamarrr/STX C++ 20 error-handling and utility extensions

https://github.com/lucasg/Dependencies A rewrite of the old legacy software "depends.exe"

https://github.com/marzer/poxy Doxygen-based documentation generator in Python

https://github.com/mgehre/xunused Find unused code across source files

https://github.com/microsoft/mimalloc Compact, fast general purpose allocator

https://github.com/mpark/patterns Pattern matching for C++17, evolved to P1371

https://github.com/mstorsjo/llvm-mingw LLVM/Clang/LLD based mingw-w64 toolchain

https://github.com/mutouyun/cpp-ipc IPC library for Linux/Windows via shared memory

https://github.com/ned14/outcome

https://github.com/nemequ/pre-defined-macros List of compiler provided defaults

https://github.com/nemtrif/utfcpp Header-only UTF-8 library

https://github.com/nextgeniuspro/vfspp Virtual file system (TODO: review, some dubious examples)

https://github.com/nholthaus/statistics Calculate statistics on a set of data

https://github.com/onqtam/doctest Test/assertion library, small footprint

https://github.com/open-license-manager/licensecc Library and utilities for licensing software

https://github.com/p-ranav/alpaca Serialization library

https://github.com/p-ranav/tabulate Create very pretty tables in the console

https://github.com/pfultz2/ZLang A plugin framework for namespacing macros

https://github.com/ra1u/tubez Efficient C++ library for streams

https://github.com/rikyoz/bit7z Interface to the 7z library with many features

https://github.com/rollbear/strong_type An additive strong typedef library

https://github.com/rui314/mold Next gen linker by the LLD author

https://github.com/sandsmark/unfuckify Remove auto from C++ sources

https://github.com/scylladb/seastar Server side application framework

https://github.com/sheredom/utf8.h Header-only UTF-8 C/C++ lib

https://github.com/skypjack/uvw libuv wrapper in modern C++

https://github.com/tbfleming/cib clang running in browser (wasm)

https://github.com/teslamotors/fixed-containers C++20 header-only with some nice containers and helpers (e.g. enums)

https://github.com/tringi/adaptive-rounding Human-intuitive rounding of floating point numbers

https://github.com/tyckesak/laugh Simple actor concurrency framework

https://github.com/uni-algo/uni-algo Simple Unicode library

https://github.com/vpand/icpp Run C++ like a script

https://github.com/waitingtocompile/spool header only job-based parallelism framework

https://github.com/ww898/utf-cpp Header-only UTF-X multiplatform library

https://github.com/yse/easy_profiler C++ profiling library with Qt UI

https://ultralig.ht/ For lightly embedding an HTML UI in C++ (proprietary)

https://www.behaviortree.dev/ Library to create behavior trees

https://github.com/Tencent/Taitank Flex layout engine in C++

https://github.com/WerWolv/Fenestra ImGui-based UI system

https://github.com/cycfi/elements C++ GUI library with some "anti Qt" vibes

https://github.com/lvgl/lvgl MCU graphics library for making UIs

https://github.com/mikke89/RmlUi HTML/CSS User Interface library evolved

https://github.com/nicbarker/clay UI layout library in C

https://github.com/texus/TGUI C++ library with SDL, SFML and GLFW backends

https://github.com/yue/yue Native cross-platform GUI apps in C++ and Lua

https://github.com/graninas/cpp_functional_programming

https://github.com/hemanth/functional-programming-jargon FP concepts explained in simple terms and JS

https://github.com/NorfairKing/nix-does-not-guarantee-reproducibility

https://github.com/jetpack-io/devbox

https://github.com/KDABLabs/kddeployqt It seems pretty NIH-heavy as of now, but to keep an eye on it

https://github.com/QuasarApp/CQtDeployer linuxdeployqt/windeployqt alternative

https://github.com/alex-spataru/QtApp-Template Deployment examples included

https://github.com/auriamg/macdylibbundler Helper to deploy dylib (not frameworks) on MacOS

https://github.com/darlinghq/darling Darwin/macOS emulation layer for Linux

https://github.com/fsquillace/junest Nest Arch Linux in any distro, including installing packages

https://github.com/intoli/exodus Relocate ELF binaries

https://github.com/ivan-hc/ArchImage Build AppImages leveraging Arch Linux packages

https://github.com/jrsoftware/issrc Inno Setup: installer for Windows programs

https://github.com/kkharji/xbase An Xcode replacement-ish development environment

https://github.com/madduci/docker-msvc-cpp Cross compile with MSVC via Docker

https://github.com/mas-cli/mas Mac App Store command line interface

https://github.com/mstorsjo/msvc-wine Scripts for setting up and running MSVC in Wine

https://github.com/multiarch/crossbuild

https://github.com/mxe/mxe

https://github.com/nektos/act Run Github Actions locally

https://github.com/niXman/mingw-builds-binaries Up to date MinGW binary packages

https://github.com/paleozogt/MSVCDocker MSVC via Wine in Docker

https://github.com/saidinesh5/mxedeployqt

https://github.com/sickcodes/Docker-OSX Run macOS VM in a Docker

https://github.com/skeeto/w64devkit Creates a portable compiler tooling for Windows

https://github.com/tpoechtrager/osxcross

https://github.com/wheybags/glibc_version_header Use symbols of old glibcs

https://github.com/zhlynn/zsign Codesign alternative to iOS (cross platform)

https://alicevision.org/ Photogrammetric Computer Vision Framework

https://blend2d.com/ high-performance 2D vector graphics engine written in C++

https://eliemichel.github.io/LearnWebGPU/

https://github.com/DadSchoorse/vkBasalt vulkan post processing layer for linux

https://github.com/PetrPPetrov/bgfx-qt5-win Example using BGFX in a QWidget

https://github.com/a-e-k/canvas_ity Small header-only library for canvas-like API, draws to a buffer

https://github.com/alicevision/QtAliceVision Qt integration into AliceVision

https://github.com/aras-p/ToyPathTracer Path tracer for learning purposes

https://github.com/baldurk/renderdoc Frame-capture based graphics debugger

https://github.com/bkaradzic/bgfx "Bring Your Own Framework"-style rendering library

https://github.com/chaiNNer-org/chaiNNer node-based image processing

https://github.com/chengyin/albumcolors Makes a 3 color palette to blend with an image

https://github.com/crosire/reshade post-processing injector for games and video software

https://github.com/dashandslash/QQuickBgfx Qt integration with BGFX

https://github.com/doitsujin/dxvk Vulkan-based Direct3D for Linux/Wine

https://github.com/facebook/igl Interfaces 3D graphics APIs (e.g. OpenGL, Metal and Vulkan)

https://github.com/houmain/gpupad A shader IDE-like application

https://github.com/isl-org/Open3D Modern library for 3D data processing

https://github.com/styluslabs/nanovgXC Vector graphics library in OpenGL

https://github.com/theo-dep/ThreadedQOpenGLWidget Example of using threads to render OpenGL

https://github.com/woltapp/blurhash Very compact blurry representation of an image, as a hash

https://github.com/yuki-koyama/bigger bigg (bgfx + imgui + glfw + glm) + utils

https://github.com/yuki-koyama/tinycolormap Use a colorscale to map 0→1 to a color

https://github.com/ManimCommunity/manim Mathematical animations into videos

https://github.com/ambrosiogabe/MathAnimation Video editor, like manim, but realtime

https://github.com/epezent/implot

https://github.com/brenocq/implot3d

https://github.com/thclark/cpplot

https://github.com/Wisdom/Awesome-Unicode

https://github.com/janlelis/unibits

https://github.com/janlelis/uniscribe

https://github.com/r12a/uniview

https://github.com/unicode-org/cldr Common Locale Data Repository

https://github.com/unicode-org/icu4x

https://github.com/unicode-org/text-rendering-tests test suite for rendering engines

https://github.com/Acly/krita-ai-diffusion

https://github.com/Acly/krita-ai-tools

https://github.com/ComfyWorkflows/ComfyUI-Launcher

https://github.com/Djdefrag/QualityScaler image and video upscaling with GUI

https://github.com/Dobiasd/frugally-deep

https://github.com/Haidra-Org/AI-Horde A bit like a P2P network for generative AI

https://github.com/KwaiVGI/LivePortrait Make still portrait images animate

https://github.com/Ryota-Kawamura

https://github.com/Significant-Gravitas/Auto-GPT Tool to help GPT in having memory and "templates"

https://github.com/StanGirard/quivr Dump all your files and chat with it using your Generative AI Second Brain

https://github.com/carson-katri/dream-textures Stable Diffusion on Blender

https://github.com/comfyanonymous/ComfyUI Stable Diffusion UI

https://github.com/d2l-ai/d2l-en Dive into Deep Learning (book, with interactive demos)

https://github.com/exo-explore/exo Make a P2P network of your own devices for running AI models

https://github.com/facebookresearch/demucs Split tracks of a song

https://github.com/feder-cr/Auto_Jobs_Applier_AIHawk Automates the job hunting application process

https://github.com/flashlight/flashlight C++ standalone library for machine learning

https://github.com/ggerganov/llama.cpp Port of Facebook’s LLaMA model in C/C++

https://github.com/ggerganov/whisper.cpp Port of OpenAI’s Whisper model in C/C++

https://github.com/hollowaykeanho/Upscaler CLI friendly image and video upscaling program

https://github.com/hosseinmoein/DataFrame

https://github.com/huggingface/candle Minimalist ML framework for Rust

https://github.com/imartinez/privateGPT Interact privately with your documents

https://github.com/leejet/stable-diffusion.cpp Stable Diffusion in pure C/C++

https://github.com/lllyasviel/Paints-UNDO family of models that imitate human drawing in steps

https://github.com/microsoft/BitNet Official inference framework for 1-bit LLMs

https://github.com/microsoft/lida Generation of Visualizations and Infographics using LLMs

https://github.com/naklecha/llama3-from-scratch

https://github.com/nomic-ai/gpt4all ecosystem of open-source chatbots

https://github.com/openvinotoolkit/openvino toolkit for optimizing and deploying AI inference

https://github.com/rhasspy/piper A fast, local neural text to speech system

https://github.com/serizba/cppflow

https://github.com/upscayl/upscayl Free and Open Source AI Image Upscaler (Linux/Win/Mac)

https://github.com/yamadashy/repomix

https://bellard.org/jslinux/ Run Linux on the browser

https://bellard.org/quickjs/ JavaScript implementation

https://github.com/CoatiSoftware/Sourcetrail Source explorer to learn new code bases

https://github.com/H-M-H/Weylus tablet as graphic tablet/touch screen on your computer

https://github.com/RandyGaul/cute_headers Single file C/C++ libraries

https://github.com/Ronsor/cosmo-cross-sdk cross-compiling with Cosmopolitan

https://github.com/Theldus/PBD Debugger which prints variable values instead

https://github.com/c-smile/sciter-sdk UI C++ framework for HTML/JS (not OSS!)

https://github.com/cnlohr/rawdrawandroid Build Android apps without any Java

https://github.com/crate-ci/typos Finds typos in comments and code

https://github.com/dev-0x7C6/fdt-viewer Qt-based GUI viewer for Device Trees

https://github.com/epasveer/seer Qt-based GDB frontend

https://github.com/eteran/edb-debugger Qt-based debugger for RE

https://github.com/fastlane/fastlane Automate lots of the work for deploying to Android and iOS

https://github.com/firecow/gitlab-ci-local Run Gitlab CI pipelines locally

https://github.com/flamegraph-rs/flamegraph Easy flamegraph generation for perf

https://github.com/floooh/sokol minimal cross-platform standalone C headers

https://github.com/google/bloaty Size profiler for binaries

https://github.com/google/orbit C/C++ performance profiler

https://github.com/google/wuffs Language to parse untrusted file formats

https://github.com/haampie/libtree ldd substitute with many more features

https://github.com/jart/blink Tiny cross-platform (via cosmopolitan) x86-64-linux emulator

https://github.com/jart/cosmopolitan Actually Portable Executable: multi-os binaries

https://github.com/jart/cosmopolitan/releases/tag/pledge-1.8 sandboxing CLI commands on Linux

https://github.com/kdeldycke/awesome-falsehood Falsehoods programmers believe in

https://github.com/lowlighter/metrics infographics about your GitHub account

https://github.com/matrix1001/glibc-all-in-one download, debug and compile glibc easily

https://github.com/mozilla/sccache ccache with cloud storage, icecc capabilities

https://github.com/mutagen-io/mutagen Tool to make remote HW or containers feel like local

https://github.com/nothings/stb Miscellaneous super-minimal libraries

https://github.com/paritytech/cachepot sccache fork "with better security"

https://github.com/projectfluent/fluent Translation system based on its own powerful DSL

https://github.com/shopify/toxiproxy Make the network fail on purpose

https://github.com/sidkshatriya/rd RR (record and replay) rewritten in Rust

https://github.com/spack/spack Package manager supporting multiple versions

https://github.com/tanelpoder/0xtools measure individual thread level activity

https://github.com/webview/webview Tiny webview integrating native engine

https://cuelang.org/ Validate, define, and use dynamic and text-based data

https://dhall-lang.org/ A programmable configuration language

https://jsonnet.org/ A data templating language for app and tool developers

https://nestedtext.org, https://github.com/KenKundert/nestedtext Human Friendly Data Format

https://github.com/1bardesign/batteries Reusable dependencies for Lua (specially LÖVE) games

https://github.com/Frityet/combustion Compile a Lua propject to a self-contained executable

https://github.com/Kampfkarren/full-moon Lossless Lua parser (for tooling of Lua programs)

https://github.com/LuaLanes/lanes Lightweight multithreading

https://github.com/RishabhRD/astlua Lua interpreter with traversing AST

https://github.com/airstruck/knife A collection of micro-modules (dead, but small self-contained)

https://github.com/bartbes/Class-Commons attempt at unifying class libraries under a common API

https://github.com/codecat/ngui Pure Lua GUI framework for Love2D

https://github.com/esbudylin/modest musical harmony library for Lua

https://github.com/giann/croissant Lua REPL and debugger

https://github.com/hugomg/lua-aot-5.4 Patched Lua 5.4 that compiles Lua code ahead-of-time

https://github.com/iamtimmy/maan Experimental C++ wrapper for LuaJIT’s C API

https://github.com/jirutka/luasrcdiet Lua code minimizer and weak obfuscator

https://github.com/kikito/middleclass OOP library for Lua

https://github.com/leafo/tableshape Verify (and optionally transform) tables according to a schema

https://github.com/love2d-community/awesome-love2d

https://github.com/lunarmodules/Penlight Large collection of libraries (containers, OOP, input…​)

https://github.com/lunarmodules/luacheck Linting and static analysis

https://github.com/mfussenegger/nlua Neovim as a Lua interpreter, for e.g. testing with busted

https://github.com/mfussenegger/nluarepl nvim-lua debug adapter for use with nvim-dap

https://github.com/nvim-neorocks/nvim-best-practices Best practices for Neovim plugins

https://github.com/samyeyo/rtc Lua script to executable compiler

https://github.com/slembcke/debugger.lua

https://github.com/starwing/luaiter

https://github.com/vrld/hump small collection of tools for developing games with LÖVE

https://github.com/Byron/gitoxide Pure Rust implementation of Git

https://github.com/MichaelMure/git-bug Bug tracking system in the very git repo

https://github.com/Murmele/Gittyup Graphical client designed to help understand/manage history

https://github.com/Ninjaccount/git-big-lfs-hook

https://github.com/Wilfred/difftastic a diff that understands syntax

https://github.com/apenwarr/git-subtrac Track history and content of submodules in the parent project

https://github.com/chronoxor/gil manage dependencies with cycles and cross references

https://github.com/dandavison/delta (better pager for git diff)

https://github.com/danobi/prr Mailing list style code reviews for github

https://github.com/datalad/datalad Distributed data management via Git and Git-annex

https://github.com/ethomson/git-recover Shell program to help recover data

https://github.com/jasonwhite/rudolfs caching LFS server with an S3 back-end

https://github.com/jmforsythe/Git-Heat-Map

https://github.com/lsst-sqre/git-lfs-s3

https://github.com/lusingander/serie A nice graph viewer TUI

https://github.com/martinvonz/jj Alternative VC with native support for Git compatibility

https://github.com/mlange-42/git-graph Visualize graphs following a branching model

https://github.com/mlange-42/git-igitt Interactive terminal app showing clear git graphs

https://github.com/newren/git-filter-repo filter-branch replacement

https://github.com/niedzielski/git-diff-img Simple instructions to use ImageMagick to diff images

https://github.com/sickill/git-dude Desktop notifier

https://github.com/so-fancy/diff-so-fancy (better pager for git diff

https://github.com/takaaki-kasai/git-foresta pretty graph console viewer

https://github.com/tummychow/git-absorb Generates fixup commits automatically

https://initialcommit.com/tools/git-sim https://www.reddit.com/r/programming/comments/10il5gt/gitsim_visually_simulate_git_operations_in_your/

https://github.com/urob/zmk-config "timeless home row mods" and other features

https://github.com/help-14/mechanical-keyboard List of mech keyboards, and where to find them

https://www.jonashietala.se/blog/2021/06/03/the-t-34-keyboard-layout/

https://github.com/hackclub/some-assembly-required An approachable introduction to assembly

https://github.com/Guardsquare/mocxx The is the fancy one using Frida and C++

https://github.com/Zeex/subhook

https://github.com/frida/frida-gum

https://github.com/googleprojectzero/tinyinst Dynamic instrumentation library

https://github.com/rokups/hooker Minimalistic hooking library in C/C++

https://github.com/stevemk14ebr/PolyHook_2_0

https://ghidra-sre.org/ Software reverse engineering tool suite

https://github.com/AllsafeCyberSecurity/awesome-ghidra

https://github.com/CoolOppo/ReClass

https://github.com/GJDuck/e9patch Binary rewriting tool

https://github.com/ItsEthra/yclass

https://github.com/Martyx00/CollaRE Collaboration solution for RE

https://github.com/REDasmOrg/REDasm Disassembler made with Qt

https://github.com/SamuelTulach/LightHook Simple cross-platform hook in a single C header

https://github.com/SystemSecurityStorm/Awesome-Binary-Rewriting

https://github.com/TsudaKageyu/minhook Minimalistic x86/x64 API Hooking Library for Windows

https://github.com/ajkhoury/ReClassEx

https://github.com/astrelsky/Ghidra-Cpp-Class-Analyzer

https://github.com/binsync/binsync A reversing plugin for cross-decompiler collaboration, built on git

https://github.com/bootleg/ret-sync Sync debugger with disasembler/decompiler

https://github.com/cmu-sei/pharos Automated static analysis tools for binary programs

https://github.com/cursey/regenny Interactively generate headers from RE exes

https://github.com/cursey/sdkgenny

https://github.com/dbgsymbol/getsymbol Gets debugging symbols from public symbol servers

https://github.com/decompiler-explorer/decompiler-explorer

https://github.com/ergrelet/resym Browsing and extracting types from PDB

https://github.com/evyatar9/GptHidra

https://github.com/horsicq/PDBRipper Extracts information from PDB files

https://github.com/joxeankoret/diaphora Diffing tool for executables

https://github.com/jstrosch/learning-reverse-engineering

https://github.com/korcankaraokcu/PINCE Linux alternative to Cheat Engine

https://github.com/medigateio/ida_medigate IDA plugin for RE-ing C++

https://github.com/orhun/binsider Analyze ELF binaries

https://github.com/rdbo/libmem Apparently same features as Frida, but doesn’t seem well documented

https://github.com/stephenrkell/libsystrap Trap, monitor Linux system calls

https://github.com/v-p-b/ghidra-vftable

https://github.com/wbenny/pdbex Structures and unions from PDB to C headers

https://github.com/willglynn/pdb Rust library with sample program pdb2hpp

https://lief-project.github.io/ Parse and modify binaries programatically

https://build2.org/

https://fastbuild.org/ Build system supporting caching and network distribution

https://github.com/SanderMertens/bake Clone, build and run C/C++ projects

https://github.com/Skycoder42/qdep qmake-based dependency system (archived project)

https://github.com/apenwarr/redo Implementation of DJB’s 'redo'

https://github.com/bkaradzic/GENie Lua-based project generator. Fork of premake 4.4

https://github.com/build-cpp/cmkr Build system based on CMake and TOML

https://github.com/casey/just Just a command runner

https://github.com/cps-org/cps-config Drop-in alternative for pkg-config

https://github.com/dcbaker/meson-plus-plus Meson C++ reimplementation

https://github.com/denis-shienkov/vscode-qbs

https://github.com/deplinenoise/tundra Build system using Lua in C++

https://github.com/evmar/n2 ninja-compatible alternative in Rust

https://github.com/facebookincubator/buck2 Successor to Buck, comparable to Bazel, uses Starlark

https://github.com/jart/landlock-make GNU Make fork that sandboxes command invocations

https://github.com/jdryg/vg-renderer vector graphics renderer for bgfx

https://github.com/michaelforney/samurai ninja-compatible build tool written in C

https://github.com/muon-build/muon An implementation of Meson in C99

https://github.com/rocky/remake Enhanced GNU Make

https://github.com/tboox/xmake A cross-platform build utility based on Lua

https://github.com/ttroy50/cmake-examples

https://gittup.org/tup/ Fast, small, supports a custom language and Lua as build files

https://github.com/CraneStation/wasmtime WASM runtime with WASI support

https://github.com/WAVM/WAVM WASM virtual machine, designed for use in non-browser applications

https://github.com/bytecodealliance/wasm-micro-runtime Runtime, AOT compiler and app framework

https://github.com/extism/extism Universal plug-in system. Extend anything with WASM

https://github.com/innative-sdk/innative An AOT compiler for WASM, creates C compatible binaries

https://github.com/jprendes/emception Emscripten directly in the browser

https://github.com/msorvig/qt-web-utils Utilities and Helper functions for Qt on the Web

https://github.com/msorvig/qtwasmserver A development server with some convenience features

https://github.com/wasm3/wasm3 WASM interpreter, no JIT, that can run on itself

https://github.com/wasmerio/wasmer WASM runtime, standalone or embeddable in apps

https://lunatic.solutions/ Erlang-inspired runtime for WebAssembly

https://wasi.dev/ System interface to run WebAssembly outside the web

https://github.com/exaloop/codon A Python compiler that produces native code

https://libcello.org/ A C library that brings C to its limits to make it much higher level

https://aws.amazon.com/aws-transfer-family/ S3 via SFTP and others

https://datproject.org/ and https://github.com/datproject/dat

https://github.com/LANDrop/LANDrop Drop any files to any devices on your LAN

https://github.com/MarcoPon/SeqBox

https://github.com/borgbase/vorta

https://github.com/cyphar/paperback Backup to paper and split in shares

https://github.com/elfshaker/elfshaker stores binary objects efficiently

https://github.com/ente-io/ente Alternative to services like Google Photos

https://github.com/haiwen/seafile

https://github.com/localsend/localsend Cross platform/device file/message sharing solution

https://github.com/magic-wormhole/magic-wormhole Get a file from one computer to another, easily

https://github.com/magic-wormhole/magic-wormhole.rs Magic Wormhole in Rust, with extras

https://github.com/meichthys/foss_photo_libraries

https://github.com/mickael-kerjean/filestash Web client to many storage systems

https://github.com/ncw/rclone

https://github.com/paperless-ngx/paperless-ngx

https://github.com/pkolaczk/fclones Find duplicate files

https://github.com/qarmin/czkawka Find file duplicates, similar images, etc.

https://github.com/s3fs-fuse/s3fs-fuse

https://github.com/schollz/croc Reimplementation of the "magic wormhole" project in Go.

https://github.com/sickill/bitpocket

https://github.com/spacedriveapp/spacedrive A file "manager" across devices

https://github.com/svenstaro/miniserve Simple CLI app to serve and receive files over HTTP

https://github.com/symmetree-labs/zerostash Zero-metadata file storage

https://github.com/syncthing/syncthing Continuous file sync

https://github.com/upx/upx Ultimate packer for executables (and libraries)

https://github.com/whoozle/android-file-transfer-linux Qt GUI without libmtp dependency for file transfer with MTP.

https://github.com/zpaq/zpaq and http://mattmahoney.net/dc/zpaq.html

https://gitlab.com/timvisee/send Mozilla Send fork. Privately share files

https://github.com/Librevault/librevault

https://github.com/Lyndir/MasterPassword

https://github.com/keeweb/keeweb

https://portier.github.io/

http://web.archive.org/web/20101031205747/http://www.tothink.com/mnemonic/ the project that contains a nice wordlist and code to convert data to mnemonic and easy to dictate words.

http://todotxt.org/ (https://github.com/QTodoTxt/QTodoTxt)

https://actiona.tools (https://github.com/Jmgr/actiona) task automation; allows to create and execute action lists

https://github.com/0x192/universal-android-debloater Remove unused, unnecessary applications

https://github.com/AppFlowy-IO/AppFlowy Alternative to Notion (wiki, notes, productivity, etc.)

https://github.com/Atoptool/atop

https://github.com/Futsch1/image-sieve (!) Organize a folder of images coming from different sources

https://github.com/Genymobile/scrcpy Display and control your Android device

https://github.com/JakubMelka/PDF4QT PDF viewer, editor and CLI tool with many features

https://github.com/ManuelSchneid3r/albert

https://github.com/RaiMan/SikuliX1

https://github.com/auctors/free-lunch Free to use applications on Windows

https://github.com/barry-ran/QtScrcpy

https://github.com/bavc/qctools

https://github.com/dundalek/markmap Mind maps in Markdown

https://github.com/emericg/OffloadBuddy Multimedia offloading from phones and more

https://github.com/evolus/pencil

https://github.com/excalidraw/excalidraw Collaborative whiteboard with hand-drawn style

https://github.com/fregante/GhostText Edit browser text boxes with the editor

https://github.com/hluk/CopyQ Cross-platform clipboard manager

https://github.com/jart/cosmopolitan/releases/tag/pledge-1.8 sandboxing CLI commands on Linux

https://github.com/juzzlin/Heimer Mind mapping app in Qt

https://github.com/nuttyartist/notes Note taking app with QML interface, good keyboard support

https://github.com/photoprism AI-Powered Photos App for the Decentralized Web

https://github.com/rustdesk/rustdesk Remote desktop client (like TeamViewer)

https://github.com/sandboxie-plus/Sandboxie Windows app for sandboxing untrusted applications

https://github.com/shundhammer/qdirstat Directory statistics, like KDirStat

https://github.com/standardnotes

https://github.com/waydroid/waydroid Boot Android on a regular desktop Linux

https://github.com/whoozle/android-file-transfer-linux

https://www.schuermann.eu/android/

https://xnee.wordpress.com/ record and replay user events (key/mouse)

https://github.com/DvorakDwarf/Infinite-Storage-Glitch Store arbitrary data on YouTube

https://github.com/FreeTubeApp/FreeTube

https://github.com/NatronGitHub/Natron Open-source video compositing software

https://github.com/OpenShot/libopenshot

https://github.com/Ottercast/OtterCastAudioV2 Audio streaming device running Linux

https://github.com/TeamPiped/Piped YouTube alternative frontend

https://github.com/alexdelorenzo/cast_control Control Chromecasts from Linux

https://github.com/alexdelorenzo/chromecast_mpris Control Chromecast on Linux

https://github.com/cirquit/trdrop estimate the "real" framerate of an uncompressed video

https://github.com/emericg/MiniVideo Small multimedia framework in C++

https://github.com/ggerganov/ggwave Tiny data-over-sound library

https://github.com/ggerganov/wave-share Serverless, peer-to-peer, local file sharing through sound

https://github.com/gyroflow/gyroflow Rust/QML video stabilizer from gyroscope data

https://github.com/haasn/libplacebo Video/graphics-related abstractions, extracted from mpv

https://github.com/mikeroyal/PipeWire-Guide A guide about PipeWire

https://github.com/mltframework/shotcut video editor in Qt

https://github.com/olive-editor/olive Non-linear video editor (Qt based)

https://github.com/pixop/video-compare Compare videos visually in different ways

https://github.com/rgerganov/shanocast Become a Chromecast receiver (based on an exploit, might stop working)

https://github.com/rncbc/qpwgraph Pipewire graph in a Qt interface

https://github.com/seijikun/desktopcast Broadcast your desktop to Kodi

https://github.com/soimort/you-get Download videos/etc. from sites

https://github.com/streamlink/streamlink

https://github.com/wang-bin/mdk-sdk Multimedia Development Kit (Qt/RHI/OBS)

https://github.com/webcamoid/webcamoid Multiplatform Qt webcam/record app

https://github.com/wwmm/easyeffects Audio effects for PipeWire applications

https://github.com/zaps166/QMPlay2 Video and audio player with some extras

https://mkchromecast.com/ Cast audio/video to a Google Cast

https://motioncanvas.io/

https://github.com/LMMS/lmms Music production software (DAW)

https://github.com/PolyMeilex/Neothesia/ Synthesia clone, GPU accelerated, in Rust

https://github.com/jessecrossen/jackstrobe Qt-based tuner musical instruments

https://github.com/linthesia/linthesia

https://github.com/pedrolcl/drumstick MIDI libraries using C++/Qt idioms

https://github.com/pedrozath/coltrane Music theory utility (chords, scales, progressions…​)

https://github.com/plule/theremotion Virtual instrument inspired by the theremin

https://github.com/spotify/basic-pitch Audio to MIDI converter

https://github.com/thestk/rtaudio Common API for realtime audio

https://github.com/tonaljs/tonal A functional music theory library for Javascript

https://github.com/webprofusion/OpenAudio List of open source VST/audio plugins

https://github.com/RelaxedJS/ReLaXed-examples

https://github.com/devlocker/tychus Reload server on incoming request

https://github.com/jaredh159/asciidork AsciiDoc parser in Rust

https://github.com/lordofthejars/asciidoctor-blogger

https://github.com/netlify/gotell

https://github.com/opendevise/middleman-templates-asciidoc

https://github.com/plexus/autodoc

https://github.com/tectonic-typesetting/tectonic modernized TeX/LaTeX engine

https://sembr.org and https://github.com/sembr/specification (semantic \n)

https://dog.ceo/dog-api/

https://giscus.app comments system powered by GitHub Discussions

https://github.com/DocNow/twarc Twitter archiver

https://github.com/cloudflare/lol-html Fast HTML rewriter

https://github.com/czue/bluesky-comments Embed comments via BlueSky

https://github.com/discourse/onebox turn media URLs into simple HTML previews

https://github.com/eduardoboucas/staticman User-generated content for Git-powered websites

https://github.com/fontsource/fontsource Self host open source fonts

https://github.com/gildas-lormeau/SingleFile Browser extension and CLI to archive pages

https://github.com/lexbor/lexbor HTML renderer library

https://github.com/linkedin/css-blocks

https://github.com/public-apis/public-apis

https://github.com/renatolond/mastodon-twitter-poster

https://github.com/solid/solid

https://github.com/utterance/utterances Comments widget based on GH issues

https://github.com/zulip/zulip/ Chat system, looks a bit better than Mattermost

https://gitlab.com/commento/commento comment system like Disqus

https://posativ.org/isso/ Disqus alternative

https://reqres.in/ A simple REST API for simple tests with a live server

https://web.hypothes.is/

https://github.com/osyo-manga/gem-array-eqq

https://github.com/postmodern/chruby Changes current Ruby (handle PATH vars)

https://github.com/postmodern/gem_home Handle per-project PATH, GEM_PATH, etc.

https://github.com/sorbet/sorbet static typechecker for a subset of Ruby

https://github.com/thisredone/rb ruby expressions used as pipeline in a shell

https://github.com/38/plotters

https://github.com/AndrewGaspar/corrosion integrating Rust into an existing CMake project

https://github.com/DioxusLabs/dioxus Fullstack app framework for web, desktop, mobile, and more

https://github.com/TaKO8Ki/awesome-alternatives-in-rust

https://github.com/dtolnay/cxx Safe interoperability between Rust and C++

https://github.com/ferrous-systems/rust-training

https://github.com/khvzak/script-bench-rs Rust embedded scripting languages benchmark

https://github.com/locka99/cpp-to-rust-book

https://github.com/mainmatter/100-exercises-to-learn-rust

https://github.com/msorvig/rust-vendored-qt Build Qt via Cargo

https://github.com/nrc/r4cppp Rust tutorial for experienced C and C++ programmers

https://github.com/rust-qt/ritual For making bindings

https://github.com/rustviz/rustviz Visualization of borrowing

https://github.com/tsoding/rcui Rust TUI framework inspired by Qt

https://github.com/usagi/rust-memory-container-cs Memory Container Cheat-sheet

https://github.com/evsar3/sshfs-win-manager GUI for sshfs-win

https://github.com/mhogomchungu/sirikali Qt GUI for SSHFS and many others

https://github.com/winfsp/hubfs Filesystem for Github and Gitlab

https://github.com/winfsp/sshfs-win SSHFS for Windows

https://github.com/winfsp/winfsp Windows Filesystem Proxy: FUSE for Windows

https://github.com/bach-sh/bach Full testing framework for bash/shell scripts

https://github.com/bash-lsp/bash-language-server

https://github.com/chriscool/sharness Shell library to test your Unix tools

https://github.com/cotowali/cotowali statically typed language that transpiles to POSIX sh

https://github.com/dylanaraps/pure-sh-bible POSIX shell reference

https://github.com/idank/explainshell Parse and analyze a shell line

https://github.com/koalaman/shellcheck Static analysis for shell scripts

https://github.com/nuta/nsh POSIX compatible shell with fish-like style

https://github.com/3rd/image.nvim

https://github.com/Genivia/ugrep Compatible grep replacement with many new features

https://github.com/Maximus5/ConEmu Windows console emulator

https://github.com/Microsoft/terminal

https://github.com/Slackadays/Clipboard A clipboard manager for the console

https://github.com/antirez/linenoise Replacment for readline in about 850 lines of code

https://github.com/asdf-vm/asdf and https://github.com/vic/asdf-link

https://github.com/babun/babun Console/shell for Windows (discontinued)

https://github.com/charmbracelet Lots of fancy programs and utilities for the console

https://github.com/cmderdev/cmder Console emulator package for Windows

https://github.com/contour-terminal/contour Qt-based modern terminal

https://github.com/d0c-s4vage/lookatme interactive, terminal-based markdown presenter

https://github.com/direnv/direnv

https://github.com/dominikwilkowski/cfonts Draw pretty text on the terminal, like figlet

https://github.com/ggerganov/imtui ImTui: Immediate Mode Text-based User Interface C++ Library

https://github.com/google/zx Write shell-like JavaScript

https://github.com/hzeller/timg Image and video viewer

https://github.com/ibraheemdev/modern-unix

https://github.com/jhawthorn/fzy

https://github.com/jstkdng/ueberzugpp Utility to draw images on terminals via child windows or other

https://github.com/junegunn/heytmux

https://github.com/laurent22/massren Rename files in bulk with a text editor

https://github.com/lotabout/skim Fuzzy finder for the console/vim

https://github.com/mfontanini/presenterm markdown terminal slideshow tool

https://github.com/mridgers/clink Readline support in cmd.exe

https://github.com/p-ranav/hypergrep Recursively search directories for a regex pattern

https://github.com/saitoha/libsixel and https://github.com/hackerb9/lsix

https://github.com/sebastiencs/icons-in-terminal (very interesting to look at the tricks on fontconfig)

https://github.com/sharkdp/hyperfine Command-line benchmark tool

https://github.com/sxyazi/yazi File manager in the console with image support and many features

https://github.com/termstandard/colors

https://github.com/tsl0922/ttyd Share the terminal over Internet

https://github.com/vinayak-mehta/present

https://github.com/wez/wezterm cross-platform terminal emulator and multiplexer

https://github.com/wolfpld/vv Image viewer in the console

https://github.com/zellij-org/zellij terminal muxer with plugin support

https://hpjansson.org/chafa/, https://github.com/hpjansson/chafa Displays images as text appropriate for the console

https://the.exa.website/ "modern replacement for ls" (still missing a -d)

https://github.com/traxium/tabtree

https://xuhaiyang1234.gitlab.io/AAK-Cont/ (anti adblock killer)

https://github.com/mailcow/mailcow

https://github.com/atom/xray Where the CRDTs (Conflict-Free Replicated Data Types) are mentioned, and somewhat explained.

https://github.com/dail8859/NotepadNext Qt-based NotePad++ remake

https://github.com/google/xi-editor Seems it preceded xray, though.

https://github.com/nanotee/nvim-lua-guide

https://github.com/rhysd/vim.wasm Vim compiled to web assembly for the browser

https://github.com/rrthomas/pointless-xcompose

https://github.com/Kerndog73/Animera Qt tool for pixel-art animations for games

https://github.com/MaurycyLiebner/enve 2D animation software

https://github.com/ShenCiao/Ciallo GPU-based brush engine, vector-like drawing

https://github.com/dalboris/vpaint

https://github.com/friction2d/friction Create vector and raster animations for web/video (enve fork)

https://github.com/herace/AnimeEffects Qt-based 2D animation tool

https://github.com/synfig/synfig 2D animation using vector and bitmap artwork

https://github.com/vgc/vgc Vector-based illustration and animation

https://20_games_challenge.gitlab.io/

https://en.wikipedia.org/wiki/Interactive_fiction#Development_systems

https://gameprogrammingpatterns.com/contents.html

https://github.com/MFatihMAR/Game-Networking-Resources

https://github.com/OpenSourcedGames

https://github.com/ValveSoftware/GameNetworkingSockets Reliable & unreliable messages over UDP

https://github.com/YarnSpinnerTool/YarnSpinner Tool for building interactive dialogue in games

https://github.com/alexbatalov/iwd2-re IWD2 engine fully rewritten from RE

https://github.com/blueloveTH/pocketpy C++17 header-only Python interpreter for game engines

https://github.com/chermenin/REminiscence Engine for classic Flashback (Delphine)

https://github.com/colyseus/colyseus Framework for multiplayer games

https://github.com/coronalabs/corona Solar2D game engine, C++ and Lua based

https://github.com/crownengine/crown Engine in "Orthodox C++"

https://github.com/cubzh/cubzh A Roblox-like platform for games

https://github.com/dbartolini/data-oriented-design

https://github.com/deepnight/ldtk / https://ldtk.io/ 2D level editor

https://github.com/dinodeck/dinodeck, http://dinodeck.com Engine of "How to make an RPG"

https://github.com/elnormous/ouzel Game engine with 2D focus

https://github.com/fallahn/tmxlite

https://github.com/harfang3d/harfang3d Engine with Python/Lua bindings, based on BGFX

https://github.com/icculus/steamshim A workaround for GPL software that wants to use the Steamworks SDK

https://github.com/inkle/ink Scripting language for writing interactive narrative

https://github.com/leereilly/games Games hosted on Github

https://github.com/lettier/3d-game-shaders-for-beginners

https://github.com/megamarc/Tilengine C library for typical tile-based maps, sprites, etc.

https://github.com/networkprotocol/yojimbo network library for client/server games

https://github.com/not-fl3/macroquad Rust game library for Rust beginners

https://github.com/opengaming/osgameclones Open Source Clones of Popular Games

https://github.com/pond3r/ggpo Good Game, Peace Out Rollback Network SDK

https://github.com/rcmagic/DemoFighterWithNetcode Example game of rollback based netcode

https://github.com/videogamepreservation

https://matthias-research.github.io/pages/tenMinutePhysics/index.html

https://twinery.org/ Twine, tool for telling interactive, nonlinear stories

https://github.com/dsprenkels/sss Shamir Secret Sharing library

https://github.com/iancoleman/shamir39 Split BIP39 mnemonics using SSSS

https://github.com/mit-dci/opencbdc-tx

https://github.com/iconify/icon-sets

https://www.bensound.com/

http://www.litehtml.com/ / https://github.com/litehtml/litehtml HTML engine

https://github.com/Aloxaf/silicon Create screenshot-like images from code

https://github.com/Genymobile/scrcpy See and control an Android device (screen)

https://github.com/Kolyunya/breath-assistant

https://github.com/KrumpetPirate/AAXtoMP3

https://github.com/LaQuay/TDTChannels

https://github.com/Shawn-Shan/fawkes Anti-face recognition tool

https://github.com/aliparlakci/bulk-downloader-for-reddit

https://github.com/browsh-org/browsh text-based browser, rendering to TTY

https://github.com/crdoconnor/strictyaml essays about problems in YAML and TOML

https://github.com/dbohdan/embedded-scripting-languages

https://github.com/gansm/finalcut Text-based UIs, with Qt style API (they say).

https://github.com/gl-transitions/gl-transitions

https://github.com/htmlpreview/htmlpreview.github.com Preview HTML served as text/plain

https://github.com/imsnif/bandwhich Terminal bandwidth utilization tool

https://github.com/jhuangtw/xg2xg Alternatives to Google’s internal projects

https://github.com/jpetazzo/container.training Slides and code for container training

https://github.com/loopj/short-stack World’s Smallest Nintendo Wii, using a trimmed motherboard

https://github.com/luismartingarcia/protocol

https://github.com/mgdm/htmlq Query the HTML

https://github.com/movsim/traffic-simulation-de Cool vehicle traffic simulation

https://github.com/nayafia/lemonade-stand guide to financial support for open source

https://github.com/nullpo-head/wsl-distrod meta-distro for WSL which runs systemd

https://github.com/omapsapp/omapsapp Offline maps with turn-by-turn navigation

https://github.com/oss-fund/monetization-platforms Aggregates funding-like sites

https://github.com/ossu/computer-science

https://github.com/pmq20/ruby-compiler

https://github.com/probonopd/SystemImageKit

https://github.com/quiet/quiet Send data through sound. For my password manager idea

https://github.com/rmcrackan/AudiobookHub

https://github.com/schollz/find3 Indoors positioning

https://github.com/sshuttle/sshuttle Proxy VNC-style, but via SSH

https://github.com/streetcomplete/StreetComplete Easy OSM editing on Android

https://github.com/theengs/app App reading Bluetooth LE and submitting to MQTT (made with Qt)

https://github.com/utmapp/UTM virtual machine host for iOS and macOS

https://github.com/ventoy/Ventoy A bootable USB that can boot copied images

https://github.com/watchexec/watchexec Executes commands in response to file modifications

https://github.com/wiredjs/wired-elements Would be nice to have this as a QStyle (mockup look)

https://github.com/yt-dlp/yt-dlp The fork of the fork of youtube-dl

https://jmap.io/ "modern mail standard" from FastMail.com

https://urbit.org/ That’s pretty much lisergic, but to have a decentralized "server"

https://www.aseprite.org/ Cool look for a custom UI (QStyle idea), forked https://github.com/LibreSprite/LibreSprite