A text-based widget toolkit
The open big data serving engine
JUCE is an open-source cross-platform C++ application framework
Math Parser: Java, C#, C++, Kotlin, Android, and all .NET platforms
Open source framework simplifying the creation of C++ applications
Cross-platform layout engine which implements Flexbox
C++ Library for the Common Image Generator Interface
C++ Frontend for the RenderMan Interface
Object oriented frameworks - PowerBuilder, PowerServer & InfoMaker!
Software libraries for effective development of desktop applications.
Development framework based on message driven provided
High performance C++ library for building Wayland compositors
PC WeChat chat robot with secondary development interface
The best library to work with .Net Assemblies in any programming lang.
The best library to work with .Net Assemblies in C/C++.
A framework for building Mobile cross-platform UI
Now maintained at https://code.google.com/p/lpi/
A minimalistic test framework written in C++.
PHP bindings for the cross-platform GUI library wxWidgets.