MAME is a multi-purpose emulation framework
Distribution-independent installer framework
LÖVE is an awesome 2D game framework for Lua
A cross-platform file change monitor with multiple backends
JUCE is an open-source cross-platform C++ application framework
Analyzer Framework for SQL
QPanda 2 is an open source quantum computing framework
NativeScript for Android using v8
Cross platform toolkit for creative coding in C++
Modern C++20 framework to create console, GUI and unit tests.
Restbed framework brings asynchronous RESTful functionality
x86 Multi-Core Microprocessor and assembler simulator written in C++
A modern C++ GUI library
A cross-platform desktop app framework based on Node.js
A C++ framework that uses inhibition trees for behaviour control.
A C++ framework that implements generalised finite state machines.
C++ Framework for slot machine games
Server side scripting language similar to ASP and PHP, but using C++.
Utility libraries for working with OpenGL.
Visual C++ Utility Library