Modern Cpp GitHub Repositories (2026) · Open Source Tools

A systematic modern C++ tutorial covering C++11-C++23, STL, concurrency, performance optimization, software engineering, embedded systems, networking, GUI, and real-world project practices.

Modern C++ high level GBA engine

ICPP - Run C++ anywhere, just like a script.

📄 Convert HTML/CSS to PDF or images instantly

Pragmatic microkernel-based OS with fully asynchronous I/O

C++ Library for Audio Digital Signal Processing

A modern, mostly zero-allocation C++23 library for working with low-level Windows within user-space. Iteration over loaded modules via PEB, EAT iteration, lazy imports, syscalls, and more.

🏋️ Python / Modern C++ Solutions of All 4073 LeetCode Problems (Weekly Update)

⚔️ A cross-platform, open source, and super fast MUD client with scripting in Lua

A modern, fast, lightweight thread pool library based on C++2x

Implementation of async observable/observer (Reactive Programming) in C++ with care about performance and templates in mind in ReactiveX approach

a declarative UI library for C/C++