posix

LizardFS is an Open Source Distributed File System licensed under GPLv3.

U++ is a C++ cross-platform rapid application development framework focused on programmer's productivity. It includes a set of libraries (GUI, SQL, Network etc.), and integrated development environment (TheIDE).

Modernish is a library for writing robust, portable, readable, and powerful programs for POSIX-based shells and utilities.

Lightweight, portable and easy to integrate C directory and file reader

Highly portable C system library: threads and synchronization primitives, sockets (TCP, UDP, SCTP), IPv4 and IPv6, IPC, hash functions (MD5, SHA-1, SHA-2, SHA-3, GOST), binary trees (RB, AVL) and more. Native code performance.

A UNIX-like kernel for the i386 architecture

A POSIX *nix fetch script using Nerdfonts

POSIX Shell script to quickly manage monitors on X

A cross-platform (C99/C++11) process library

Kapow! If you can script it, you can HTTP it.

ProFTPD source code

Lua bindings for POSIX APIs

Maybe the world's fastest logging library. Lightweight & industrial-grade, battle-tested in Honor of Kings. C++/Python/Java/C#/Kotlin/TS, Unity/Unreal/HarmonyOS. 可能是全球最快的日志库——轻量级且工业级，源自《王者荣耀》，支持多语言多平台

Standalone C compiler/assembler/linker/libc for x86-64/aarch64/riscv64/wasm

A minimal POSIX shell