Top CPP GitHub Repositories & Tools (2026)

Curated list of project-based tutorials

PlayStation 5 emulator for Windows, Linux and MacOS

ODS V3 Pre-Release: Public testing and refinement ahead of the official V3 launch. Turn your PC, Mac, or Linux box into a private AI server.

Fastest and only macOS Dictation app with on-device STT and custom trained AI enhancement model. Windows pre-build available! A local Wispr Flow alternative. DM us on X exclusive model access! 😉 - https://x.com/fluidvoiceapp

Open-source, bring-your-own-key (BYOK) multi-model AI chat client for iOS, Android and the web. One LLM client for OpenAI, Anthropic, Google Gemini, OpenRouter, DeepSeek and ten more providers, plus any OpenAI-, Anthropic- or Gemini-compatible endpoint — Ollama, LM Studio, llama.cpp, vLLM. Local-first, self-hostable, no account. AGPL-3.0.

Self-hosted game stream host for Moonlight.

ClickHouse® is a real-time analytics database management system

A set of performant RDNA/HIP patches against llama.cpp focusing on high speed inferencing with numerics assurance

PlayStation 3 emulator and debugger

A custom launcher for Minecraft that allows you to easily manage multiple installations of Minecraft at once (Fork of MultiMC)

PCSX2 - The Playstation 2 Emulator

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

A customisable music player

geatsc: compiles TypeScript to C++ for GeaStack targets.

Live truecolor terminal dashboard for a locally running LLM: tok/s, TTFT, GPUs, context, MTP acceptance, layer and real expert routing (llama.cpp)

Downloads spotify playlists and songs along with metadata through an easy to use GUI (Downloads from YouTube)

AI pair programming in your terminal — one static binary, sub-ms startup, any model

Sega Saturn emulator

Modern C++ high level GBA engine

Understand your Git history!