Unicorn CPU emulator framework (ARM, AArch64, M68K, Mips, Sparc
Improved Quake III Arena engine
The PHP Interpreter
Ultra-lightweight JavaScript engine for the Internet of Things
Public repository of the Micro QuickJS Javascript Engine
Bloat-free Graphical User interface for C++ with minimal dependencies
Lua Virtual Reality engine
Powerful development framework for creating virtually anything
Simple DirectMedia Layer
Capstone disassembly/disassembler framework
Efficient binary-decimal & decimal-binary conversion routines for IEEE
3D game engine/framework in C, with Luajit and Python bindings now
Dynamic Instrumentation Tool Platform
MLT Multimedia Framework
A tiny JavaScript runtime
CGL (C Game Library) is a multipurpose library
Lexbor is development of an open source HTML Renderer library
A real time inference engine for temporal logical specifications
A multi-posix-platform abstraction layer for creating desktop apps
Industrial Strength NoSQL Application Development Platform
Orx: Data-Driven Game Engine
database library/engine
A friendly Forth compiler with a little difference
Development toolkit for Web Services and XML data bindings for C & C++
General Purpose Engine for Graphic Adventures.