A command line tool and library for transferring data with URL syntax, supporting DICT, FILE, FTP, FTPS, GOPHER, GOPHERS, HTTP, HTTPS, IMAP, IMAPS, LDAP, LDAPS, MQTT, MQTTS, POP3, POP3S, RTSP, SCP,…

stb single-file public domain libraries for C/C++

General purpose TLS and crypto library

Zstandard - Fast real-time compression algorithm

UNIX-like reverse engineering framework and command-line toolset

How to Make a Computer Operating System in C++

MicroPython - a lean and efficient Python implementation for microcontrollers and constrained systems

A free Windows-compatible Operating System

Cross-platform, graphics API agnostic, "Bring Your Own Engine/Framework" style rendering library.

A single-header ANSI C gui library

AddressSanitizer, ThreadSanitizer, MemorySanitizer

Event notification library

Simple and portable (but not inflexible) GUI library in C that uses the native GUI technologies of each platform it supports.

Windows Precision Touchpad Driver Implementation for Apple MacBook / Magic Trackpad

Box2D is a 2D physics engine for games

A fast entity component system (ECS) for C & C++

🚀 A fast WebAssembly interpreter and the most universal WASM runtime

Premake

An LLVM/Clang/LLD based mingw-w64 toolchain

Memory Debugger for Windows, Linux, Mac, and Android

SQLiteC++ (SQLiteCpp) is a smart and easy to use C++ SQLite3 wrapper.

OpenGL text using one vertex buffer, one texture and FreeType

Open-source implementation of the K programming language

A C library that may be linked into a C/C++ program to produce symbolic backtraces

Include binary files in C/C++

Nginx Development Kit - an Nginx module that adds additional generic tools that module developers can use in their own modules

A mini-preprocessor library to demostrate the recursive capabilites of the preprocessor

Free implementation of the OpenGL Utility Toolkit (GLUT)