Open-source KVM software

linux内核网络协议栈源码阅读分析注释--带详尽中文分析注释以及相关流程分析调用注释，对理解分析内核协议栈源码很有帮助

Server framework and network components written by C/C++ for Linux/Mac/FreeBSD/Solaris(x86)/Windows/Android/IOS

htop is an interactive text-mode process viewer for Linux. It aims to be a better 'top'. This fork adds vim-style keybindings. (htop-dev/htop should be considered upstream now)

Redis is an in-memory database that persists on disk. The data model is key-value, but many different kind of values are supported: Strings, Lists, Sets, Sorted Sets, Hashes, HyperLogLogs, Bitmaps.

macOS kernel SDK targeting various XNU versions