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

Fukami: native macOS / Steam Deck port of Ridge Racer V (USA) by static recompilation. No game data.

A color management framework for visual effects and animation.

Matter (formerly Project CHIP) creates more connections between more objects, simplifying development for manufacturers and increasing compatibility for consumers, guided by the Connectivity Standards Alliance.

LAV Filters - Open-Source DirectShow Media Splitter and Decoders

Log file navigator

The official repository for the gem5 computer-system architecture simulator.

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

A decompilation of Super Mario Sunshine brought to you by a bunch of clever folks.

A matching decompilation of Metroid Prime

Robô de bancada com ESP32: rosto animado no OLED, conversa por voz em pt-BR, jogos e controle do Mac

Bộ gõ tiếng Việt cho Linux mã nguồn mở, hướng đến trải nghiệm gõ không gạch chân mượt mà

DuckDB is an analytical in-process SQL database management system

FlashRT is a high-performance realtime inference engine for small-batch, latency-sensitive AI workloads. The flagship integration is production VLA control for Pi0, Pi0.5, GROOT N1.6, and Pi0-FAST. Also support llm e.g, qwen3.6-27B

A C++ library for simulating Rocket League games at maximum efficiency

Capture and analyze the high-level performance characteristics of graphics applications on Windows.

C++ ggml runtime hub for multilingual ASR and TTS models: Cohere Transcribe, Parakeet TDT, Voxtral, Canary 1B v2, etc, plus universal forced alignment, and more

Dual_LIDAR_constraint_level fusion LIO for degenerate environments

ReShade add-on that removes DLSS and FSR ghosting from glass cockpit displays (PFD, ND, ECAM) in Microsoft Flight Simulator 2024, on a monitor and in VR

An open ecosystem for music production.

A comprehensive Model Context Protocol (MCP) server that enables AI assistants to control Unreal Engine through the native C++ Automation Bridge plugin. Built with TypeScript and C++.