Skia is a complete 2D graphic library for drawing Text, Geometries, and Images. See documentation for contribution instructions.

Firmware for the Xteink X4 e-paper display reader

Open-source custom firmware for PicoCalc, Video Game Module, and other Raspberry Pi Pico devices

A cross-platform, safe, pure-Rust graphics API.

Cataclysm - Dark Days Ahead. A turn-based survival game set in a post-apocalyptic world.

Development at the speed of light

A modern ebook manager and reader with sync and backup capacities for Windows, macOS, Linux, Android, iOS and Web

MAME

MicroPython - a lean and efficient Python implementation for microcontrollers and constrained systems

The Julia Programming Language

Program to decode radio transmissions from devices on the ISM bands (and other frequencies)

If you live in the terminal, kitty is made for you! Cross-platform, fast, feature-rich, GPU based.

The Flagrant Garden Website: https://flagrant.garden

Open source comprehensive 2D content creation tool suite for graphic design, digital art, and interactive real-time motion graphics — featuring node-based procedural editing

A cross platform desktop reading app, based on the Readium Desktop toolkit

Yosys Open SYnthesis Suite

Composable transformations of Python+NumPy programs: differentiate, vectorize, JIT to GPU/TPU, and more

The firmware for the HackRF+PortaPack H1/H2/H4/H4M

A lightweight WebAssembly runtime that is fast, secure, and standards-compliant

Optimizer and compiler/toolchain library for WebAssembly

Specification for streaming massive heterogeneous 3D geospatial datasets 🌎

Iceman Fork - Proxmark3

Gadgetron - Medical Image Reconstruction Framework

OpenDDS is an open source C++ implementation of the Object Management Group (OMG) Data Distribution Service (DDS). OpenDDS also supports Java bindings through JNI.

An educational software system of a tiny self-compiling C compiler, a tiny self-executing RISC-V emulator, and a tiny self-hosting RISC-V hypervisor.

Defold is a completely free to use game engine for development of desktop, mobile and web games.

Parallel OS, with GUI, Terminal, OO Assembler, Class libraries, C-Script compiler, Lisp interpreter and more...

Godot Engine – Multi-platform 2D and 3D game engine

CircuitPython - a Python implementation for teaching coding with microcontrollers

The Web framework for perfectionists with deadlines.