JUCE is an open-source cross-platform C++ application framework
Portable and lightweight cross-platform desktop application
Cross-platform, customizable ML solutions for live and streaming media
Cross platform toolkit for creative coding in C++
Cross-platform layout engine which implements Flexbox
High-performance audio engine for react-native
Cross-platform UI framework that delivers native performance
A cross-platform file change monitor with multiple backends
Scripting platform, modding framework and VR support for RE Engine
Math Parser: Java, C#, C++, Kotlin, Android, and all .NET platforms
A lightweight game server framework implemented with Actor Model
Web Framework built on top of Qt, using the approach of Catalyst
Drogon: A C++14/17/20 based HTTP web application framework
Redpanda is a streaming data platform for developers
TreeFrog Framework, High-speed C++ MVC Framework for Web Applications
MNN is a blazing fast, lightweight deep learning framework
NativeScript for Android using v8
Portable and lightweight cross platform app development framework
Cross-platform C++ library for use as a default application framework.
SDL library for Android, including several games.
C++ framework with an ide.
Easy-to-use deep learning framework with 3 key features
Cross-platform DICOM implementation
A multimedia framework based on Qt and FFmpeg
It's all about in-process message dispatching!