#C++

C++Mobile development Mobile app Mobile

react

react-native

★ 126,241

A framework for building native applications using React

C++Mobile Development25,185 forks

electron

★ 122,112

:electron: Build cross-platform desktop apps with JavaScript, HTML, and CSS

C++Web Development17,320 forks

C++Web development Desktop app Desktop

ggml-org

llama.cpp

★ 121,303

llama.cpp runs LLM inference in plain C/C++, serving models locally through a REST API and web UI with multimodal support in its llama-server.

C++AI & Machine Learning20,901 forks

C++AI & ML Systems & infrastructure Large Language Models

godotengine

godot

★ 114,409

Godot Engine : Multi-platform 2D and 3D game engine

C++Game Development26,049 forks

C++Game development Web service Cross-platform

microsoft

terminal

★ 104,312

The new Windows Terminal and the original Windows console host, all in the same place!

C++Systems & Infrastructure9,448 forks

C++Systems & infrastructure Command line Cross-platform

opencv

★ 90,073

OpenCV provides image processing, video analysis, object detection, camera calibration, and machine-learning algorithms through C++, Python, Java, and other language bindings.

C++Developer Tools56,919 forks

bitcoin

★ 89,654

Bitcoin Core integration/staging tree. Development Process The master branch is regularly built (see doc/build-*.md for instructions) and tested, but it is not guaranteed to be completely stable.

C++Developer Tools39,109 forks

C++AI & ML Web service Cross-platform

tesseract-ocr

tesseract

★ 75,478

Tesseract Open Source OCR Engine (main repository)

C++AI & Machine Learning10,694 forks

ocornut

imgui

★ 74,906

Dear ImGui: Bloat-free Graphical User interface for C++ with minimal dependencies.

C++Game Development11,925 forks

C++Game development Library Cross-platform

protocolbuffers

protobuf

★ 71,614

Google's language-neutral, platform-neutral mechanism for serializing structured data, combining the protoc compiler with runtimes for many programming languages.

C++Developer Tools16,198 forks

C++Systems & infrastructure Library Web platform

LadybirdBrowser

ladybird

★ 64,645

Ladybird is an independent browser built on its own standards-based engine, with a multi-process architecture and sandboxed tabs; currently pre-alpha for developers.

C++Systems & Infrastructure3,087 forks

WerWolv

ImHex

★ 54,258

ImHex is a hex editor for reverse engineers and programmers, with byte patching, patch management, unlimited undo/redo, and its own pattern language for binary analysis.

C++Security & Privacy2,424 forks

C++Security & privacy Developer tooling Web service

ggml-org

whisper.cpp

★ 52,199

whisper.cpp is a dependency-free C/C++ port of OpenAI's Whisper speech-recognition model, optimized for Apple Silicon and supporting CPU-only inference on many platforms.

C++AI & Machine Learning5,870 forks

C++AI & ML Large Language Models Local AI

nlohmann

json

★ 50,193

JSON for Modern C++ is a header-only library that makes JSON feel like a first-class data type in C++, with STL-like access plus support for CBOR, BSON, and MessagePack.

C++Developer Tools7,436 forks

C++Database & storage Self-hosted Server

ClickHouse

★ 48,759

ClickHouse® is a real-time analytics database management system

C++Databases & Storage8,675 forks

google

googletest

★ 38,858

GoogleTest - Google Testing and Mocking Framework. Continuous Integration We use Google's internal systems for continuous integration.

C++Developer Tools10,834 forks

C++AI & ML Mobile app Mobile

google-ai-edge

mediapipe

★ 36,195

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

C++AI & Machine Learning6,070 forks

Fincept-Corporation

FinceptTerminal

★ 28,825

Fincept Terminal is a native C++20/Qt6 desktop finance application with embedded Python analytics for market analysis, investment research, and economic data tools.

C++Data & Analytics4,037 forks

C++Data analytics Command line Cross-platform

dmlc

xgboost

★ 28,582

Scalable, Portable and Distributed Gradient Boosting (GBDT, GBRT or GBM) Library, for Python, R, Java, Scala, C++ and more. Runs on single machine, Hadoop, Spark, Dask, Flink and DataFlow

C++AI & Machine Learning8,880 forks

C++Developer tooling Command line Desktop

MaaAssistantArknights

★ 22,142

| A one-click tool for the daily tasks of Arknights, supporting all clients.

C++Developer Tools2,730 forks

microsoft

onnxruntime

★ 21,147

ONNX Runtime: cross-platform, high performance ML inferencing and training accelerator

C++AI & Machine Learning4,061 forks

C++Hardware & IoT Web service Cross-platform

MarlinFirmware

Marlin is a firmware for RepRap 3D printers optimized for both 8 and 32 bit microcontrollers. Marlin supports all common platforms. Many commercial 3D printers come with Marlin installed. Check with your vendor if you need source code for your specific machine.

C++Hardware & IoT19,723 forks

rui314

mold

★ 16,694

mold: A Modern Linker. mold aims to enhance developer productivity by minimizing build time, particularly in rapid debug-edit-rebuild cycles.

C++Developer Tools538 forks

C++Developer tooling Command line Server

hoffstadt

DearPyGui

★ 15,547

Dear PyGui: A fast and powerful Graphical User Interface Toolkit for Python with minimal dependencies.

C++Developer Tools785 forks

ArduPilot

ardupilot

★ 15,545

ArduPlane, ArduCopter, ArduRover, ArduSub source. Our autopilot software is capable of controlling almost any vehicle system imaginable, from conventional airplanes, quad planes, multi-rotors, and helicopters to rovers, boats, balance bots, and even submarines.

C++Developer Tools21,102 forks

C++Mobile development Desktop app Mobile

k2-fsa

sherpa-onnx

★ 13,838

Speech-to-text, text-to-speech, speaker diarization, speech enhancement, source separation, and VAD using next-gen Kaldi with onnxruntime without Internet connection. Support embedded systems, Android, iOS, HarmonyOS, Raspberry Pi, RISC-V, RK NPU, Axera NPU, Ascend NPU, x86_64 servers, websocket server/client, support 12 programming languages.

C++Mobile Development1,596 forks

zealdocs

zeal

★ 12,731

Offline documentation browser. Your personal reference library, searchable in an instant.

C++Web Development834 forks

C++Web development Command line Desktop

KDE

krita

★ 10,095

Krita is a free and open source cross-platform application that offers an end-to-end solution for creating digital art files from scratch built on the KDE and Qt frameworks.

C++Developer Tools814 forks

C++Developer tooling Command line Cross-platform

noctalia-dev

noctalia

★ 8,943

A sleek, customizable desktop shell crafted for Wayland. Wayland Compositor Support Noctalia supports Wayland compositors that provide the layer-shell protocols it needs for shell surfaces.

C++Systems & Infrastructure654 forks

C++Systems & infrastructure Command line Desktop

meshtastic

firmware

★ 8,008

The official firmware for Meshtastic, an open-source, off-grid mesh communication system.

C++Hardware & IoT2,577 forks

C++Hardware & IoT Web service Cross-platform

FastLED

★ 7,463

The FastLED library for colored LED animation on Arduino. Please direct questions/requests for help to the FastLED Reddit community: We'd like to use github "issues" just for tracking library bugs / enhancements.

C++Developer Tools1,756 forks

C++Hardware & IoT Library Cross-platform

cvxpy

★ 6,289

CVXPY is a Python framework for convex optimization that converts high-level modeling problems into disciplined convex programs and helps choose solvers, tune constraints, and validate numeric results.

C++Hardware & IoT1,193 forks

praydog

REFramework

★ 5,290

Mod loader, scripting platform, and VR support for all RE Engine games.

C++Developer Tools590 forks

C++Mobile development Desktop app Mobile

mavlink

qgroundcontrol

★ 4,795

Cross-platform ground control station for drones (Android, iOS, Mac OS, Linux, Windows).

C++Mobile Development4,938 forks

ydb-platform

ydb

★ 4,755

YDB is an open source Distributed SQL Database that combines high availability and scalability with strong consistency and ACID transactions.

C++Databases & Storage798 forks

C++Database & storage Desktop app Desktop

rime

librime

★ 4,509

Rime Input Method Engine, the core library. RIME: Rime Input Method Engine === Rime with your keystrokes.

C++Developer Tools712 forks

C++Developer tooling Desktop app Mobile

kungfu-systems

kungfu

★ 4,434

Continuity for Agent Work. Keep using the agents you already have kungfu run agent is the golden path, not a required replacement for Codex, Claude Code, VS Code, terminals, or other agent surfaces.

C++Developer Tools1,276 forks

C++Developer tooling Command line Cross-platform

openxla

xla

★ 4,427

A machine learning compiler for GPUs, CPUs, and ML accelerators. XLA XLA (Accelerated Linear Algebra) is an open-source machine learning (ML) compiler for GPUs, CPUs, and ML accelerators.

C++AI & Machine Learning874 forks

facebookincubator

velox

★ 4,180

A composable and fully extensible C++ execution engine library for data management systems.

C++Developer Tools1,554 forks

C++Security & privacy Desktop app Mobile

PurpleI2P

i2pd

★ 4,145

I2P: End-to-End encrypted and anonymous Internet. I2P allows people from all around the world to communicate and share information without restrictions.

C++Security & Privacy504 forks

uxlfoundation

oneDNN

★ 4,025

oneAPI Deep Neural Network Library (oneDNN). [ ][UXL Foundation] oneAPI Deep Neural Network Library (oneDNN) oneAPI Deep Neural Network Library (oneDNN) is an open-source cross-platform performance library of basic building blocks for deep learning applications.

C++AI & Machine Learning1,168 forks

C++Hardware & IoT Web service Cross-platform

openthread

★ 3,990

OpenThread released by Google is an open-source implementation of the Thread networking protocol.

C++Hardware & IoT1,196 forks

ytsaurus

★ 2,199

YTsaurus is a scalable and fault-tolerant open-source big data platform.

C++Databases & Storage214 forks

C++Database & storage Cloud native Server

multitheftauto

mtasa-blue

★ 1,810

Multi Theft Auto is a game engine that turns Grand Theft Auto: San Andreas into networked multiplayer.

C++Game Development565 forks

C++Game development Desktop app Desktop

dotnet

diagnostics

★ 1,319

This repository contains the source code for various .NET Core runtime diagnostic tools and documents.

C++Systems & Infrastructure402 forks

C++Systems & infrastructure Desktop app Desktop

flareteam

flare-engine

★ 1,284

Free/Libre Action Roleplaying Engine (engine only). Flare Flare (Free Libre Action Roleplaying Engine) is a simple game engine built to handle a very specific kind of game: single-player 2D action RPGs.

C++Developer Tools224 forks

C++Developer tooling Command line Desktop

TomHarte

CLK

★ 1,128

A latency-hating emulator of: the Acorn Electron, BBC Micro and Archimedes, Amstrad CPC, Apple II/II+/IIe and early Macintosh, Atari 2600 and ST, ColecoVision, Enterprise 64/128, Commodore Vic-20 and Amiga, MSX 1/2, Oric 1/Atmos, early PC compatibles, Sega Master System, Sinclair ZX80/81 and ZX Spectrum, Tandy CoCo and Thomson MO5/6.

C++Developer Tools66 forks