Top PLUS GitHub Repositories & Tools (2026)

Extremely fast, in memory, serialization, reflection, and RPC library for C++. JSON, BEVE, BSON, CBOR, CSV, JSONB, MessagePack, TOML, YAML, EETF

Free and open source database client built natively for developers

Widelands is a free, open source real-time strategy game with singleplayer campaigns and a multiplayer mode. The game was inspired by Settlers II™ (© Bluebyte) but has significantly more variety and depth to it.

Bitcoin Core integration/staging tree

Cross-platform, customizable ML solutions for live and streaming media.

Static reflection for enums (to string, from string, iteration) for modern C++, work with any enum type without any macro or boilerplate code

An open source re-implementation of RollerCoaster Tycoon 2 🎢

Stellarium is a free GPL software which renders realistic skies in real time with OpenGL. It is available for Linux/Unix, Windows, macOS and Haiku. With Stellarium, you really see what you can see with your eyes, binoculars or a small telescope.

Efficient reliable UDP unicast, UDP multicast, and IPC message transport

static analysis of C/C++ code

:tangerine: Clementine Music Player

🛡 I2P: End-to-End encrypted and anonymous Internet

:strawberry: Strawberry Music Player

Cryptography Toolkit

Production-ready C++ Asynchronous Framework with rich functionality

edb is a cross-platform AArch32/x86/x86-64 debugger.

The C++ Standard Library for Parallelism and Concurrency

C/C++ WebRTC network library featuring Data Channels, Media Transport, and WebSockets

BLE monitor for passive BLE sensors

An open source C++ game engine.