Open source. Open possibilities.

openFrameworks is a C++ toolkit for creative coding, supporting cross-platform development for Windows, Linux, macOS, iOS, tvOS, and Emscripten.

Tokamak is a C# engine designed for creating games and virtual worlds, providing a modular set of building blocks for application development.

raylib is a simple, easy-to-use C library for videogame programming, ideal for prototyping, education, and graphical applications.

Alacritty is a fast, cross-platform OpenGL terminal emulator with sensible defaults, extensive TOML configuration, and GPU-accelerated performance on BSD, Linux, macOS, and Windows.

RPCS3 is a free and open-source PlayStation 3 emulator and debugger written in C++, supporting Windows, Linux, macOS, and FreeBSD. It enables PS3 game playback on modern hardware and provides debugging capabilities for emulation development.

MangoHud is a Vulkan and OpenGL overlay for Linux that shows FPS, frametimes, CPU/GPU load, temperatures and more while gaming, with a highly configurable HUD, FPS limiting, logging and plotting tools.

kitty is a fast, feature-rich, cross-platform, GPU-accelerated terminal emulator for users who work primarily in the terminal.