A microbenchmark support library
MAME is a multi-purpose emulation framework
Insanely fast native C++, Swift or Kotlin modules
Web Framework built on top of Qt, using the approach of Catalyst
Khronos-reference front end for GLSL/ESSL, partial front end for HLSL
Lighter, faster browser kernel of blink to integrate HTML UI in apps
Beef Programming Language
Fast, small, safe, gradually typed embeddable scripting language
A modern, C++-native, test framework for unit-tests, TDD and BDD
Cross-Platform C++ GUI Library
CasADi is a symbolic framework for numeric optimization
Alternative to backtracking regular expression engines
ArkScript is a small, fast, functional and scripting language for C++
A bytecode optimizer for Android apps
Popular Open Source Online Judge based on PHP/C++/MySQL/Linux
Proxy: Next Generation Polymorphism in C++
A C++ binding for the OpenGL API, generated using the gl.xml specifica
NativeScript for Android using v8
Toolkit for making machine learning and data analysis applications
Datalog variant for tool designers crafting analyses in Horn clauses
An open-source C++ library developed and used at Facebook
Google's data interchange format
Math library using HLSL syntax with multiplatform SIMD support
Infrared remote library for Arduino, send and receive infrared signals
mawww's experiment for a better code editor