A framework is a reusable set of libraries or classes in software. In an effort to help developers focus their work on higher level tasks, a framework provides a functional solution for lower level elements of coding. While a framework might add more code than is necessary, they also provide a reusable pattern to speed up development.
Dear ImGui: Bloat-free Graphical User interface for C++ with minimal dependencies
Cross-platform, customizable ML solutions for live and streaming media.
A modern, C++-native, test framework for unit-tests, TDD and BDD - using C++14, C++17 and later (C++11 support is in v2.x branch, and C++03 on the Catch1.x branch)
F´ - A flight software and embedded systems framework
Portable and lightweight cross-platform desktop application development framework
C++高性能分布式服务器框架,webserver,websocket server,自定义tcp_server（包含日志模块，配置模块，线程模块，协程模块，协程调度模块，io协程调度模块，hook模块，socket模块，bytearray序列化，http模块，TcpServer模块，Websocket模块，Https模块等, Smtp邮件模块, MySQL, SQLite3, ORM,Redis,Zookeeper)
A Fast and Easy to use microframework for the web.
Simple and powerful Unity3d game workflow! 简单、高效、高度工业化的商业级unity3d 工作流。
Production-ready C++ Asynchronous Framework with rich functionality
Sming - powerful open source framework simplifying the creation of embedded C++ applications.
Tracktion Engine module
Genode OS Framework
workspace是基于C++11的轻量级异步执行框架，支持：通用任务异步并发执行、优先级任务调度、自适应动态线程池、高效静态线程池、异常处理机制等。
A framework for building native visionOS applications using React
The modern text-based widget toolkit