Top C++ GitHub Repositories & Open Source Projects (2026)

LiteRT, successor to TensorFlow Lite. is Google's On-device framework for high-performance ML & GenAI deployment on edge platforms, via efficient conversion, runtime, and optimization

Super Mario Galaxy 1 decompilation.

The JavaScript / Wasm runtime that powers Cloudflare Workers

Experimental native PC port of Lost Odyssey using static recompilation. No game assets included.

Train and serve LLMs at extreme speed and massive throughput.

A native C++ port of Gran Turismo 2 for Steam Deck, MacOS, Windows PC, PCVR and Quest 3 Standalone VR

Unofficial static recompilation of Rayman Origins (Xbox 360) for PC and Android, using XenonRecomp. No game code or assets included.

Windows Subsystem for Linux

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

Run LLMs on AMD Ryzen™ AI NPUs in minutes; purpose-built and deeply optimized for the AMD NPUs.

ggml speech-to-text inference for 16+ model families

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

AdaptixC2 is a highly modular advanced redteam toolkit

Lemonade helps users discover and run local AI apps by serving optimized LLMs right from their own GPUs and NPUs. Join our discord: https://discord.gg/5xXzkMu8Zk

Production-grade client-side tracing, profiling, and analysis for complex software systems.

Ternary (2.125 bit/weight) Bonsai 2 27B on the NINFER engine — Ada sm_89, Linux. Derivative work of Neroued/ninfer; see README.

Filament is a real-time physically based rendering engine for Android, iOS, Windows, Linux, macOS, and WebGL2

Tools for Guild Wars players

Linear optimization software

A customisable music player