JUCE is an open-source cross-platform C++ application framework
UNIX-like reverse engineering framework and command-line toolset
Google Testing and Mocking Framework
Cross-platform, customizable ML solutions for live and streaming media
An open-source platform for making universal native apps with React
Bridges the worlds of .NET with the native APIs of macOS, iOS, tvOS
Cross platform toolkit for creative coding in C++
A cross-platform UI framework for .NET
MNN is a blazing fast, lightweight deep learning framework
A Cocoa / Objective-C wrapper around SQLite
An MVVM & Databinding framework that can use C# and Lua
Bridge between Lua and the .NET
SkiaSharp is a cross-platform 2D graphics API for .NET platforms
Modern declarative data visualization chart framework
LNPopupController is a framework for presenting view controllers
A flexible logging framework for Mac and iOS
Methods to allow using HTML code with CoreText
A bytecode optimizer for Android apps
An efficient, small mobile key-value storage framework
A data-driven UICollectionView framework for building fast lists
A conversion framework between JSON and model
Provides core utilities, internationalization, and OS independence
An iOS functional testing framework
A new way for developers to exchange card content
The .NET MVVM framework for cross-platform solutions