Graphile's Crystal Monorepo; home to Grafast, PostGraphile
Customizable multiplatform development environment.
C++ lightweight cross-platform game engine
DPDL (Dynamic Packet Definition Language) is a small framework library
Declarative rich internet application platform
Low-Level Game Engine for Retro Platforms
Rapid Application Development Framework for PHP
Atari 2600, C64, Python, 3D engines and rock'n roll
A game engine written in the D programming language
Compact/ Chess Interchange Format
Plugin based multi-purpose dev tool.
PHIGS (Programmer's Hierarchical Interactive Graphics System)
Advanced multiplatform text editor for developers