C++ Top 50

Top 46 most starred C++ repositories on GitHub

C++ rankings: how to read the ecosystem behind the stars

C++ remains the performance benchmark for systems programming, game development, and high-frequency computing. With modern standards (C++20/23) bringing concepts, coroutines, and ranges, C++ continues to evolve while maintaining backward compatibility with decades of existing code.

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C++ powers game engines (Unreal), browsers (Chrome, Firefox), databases (MongoDB, RocksDB), and embedded systems. The language's zero-overhead principle makes it irreplaceable for latency-sensitive applications like autonomous vehicles, trading systems, and real-time audio processing.

Use the language page to compare projects that share the same runtime, syntax, and toolchain assumptions. The ranking is strongest as a shortlist generator: it helps you spot the repositories that keep defining the language community, but you still need to confirm maintenance, release cadence, and whether the project solves your actual use case.

For the source rules behind this language view, review Methodology & Editorial Standards

An Open Source Machine Learning Framework for Everyone

194.7K stars·75.3K forks·Today

A framework for building native applications using React

125.6K stars·25.1K forks·Today

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

120.8K stars·17.1K forks·Today

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

109.3K stars·25K forks·2 days ago

LLM inference in C/C++

103.3K stars·16.7K forks·Today

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

102.7K stars·9.2K forks·Yesterday

Bitcoin Core integration/staging tree

88.8K stars·38.9K forks·2 days ago

Open Source Computer Vision Library

87.1K stars·56.6K forks·2 days ago

GPT4All: Run Local LLMs on Any Device. Open-source and available for commercial use.

77.3K stars·8.3K forks·10 months ago

Tesseract Open Source OCR Engine (main repository)

73.5K stars·10.6K forks·2 weeks ago

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

72.6K stars·11.7K forks·2 days ago

Protocol Buffers - Google's data interchange format

71.1K stars·16.1K forks·Today

Truly independent web browser

62.3K stars·2.9K forks·Today

JSON for Modern C++

49.4K stars·7.4K forks·2 days ago

Port of OpenAI's Whisper model in C/C++

48.5K stars·5.4K forks·2 weeks ago

ClickHouse® is a real-time analytics database management system

46.8K stars·8.3K forks·Today

C++ based gRPC (C++, Python, Ruby, Objective-C, PHP, C#)

44.6K stars·11.1K forks·2 days ago

这是一个用于显示当前网速、CPU及内存利用率的桌面悬浮窗软件,并支持任务栏显示,支持更换皮肤。

43.9K stars·3.6K forks·6 days ago

C++那些事

43K stars·8.8K forks·1 months ago

A library for efficient similarity search and clustering of dense vectors.

39.7K stars·4.3K forks·Yesterday

LevelDB is a fast key-value storage library written at Google that provides an ordered mapping from string keys to string values.

39K stars·8.2K forks·1 months ago

GoogleTest - Google Testing and Mocking Framework

38.5K stars·10.7K forks·1 weeks ago

📚 C/C++ 技术面试基础知识总结,包括语言、程序库、数据结构、算法、系统、网络、链接装载库等知识及面试经验、招聘、内推等信息。This repository is a summary of the basic knowledge of recruiting job seekers and beginners in the direction of C/C++ technology, including language, program library, data structure, algorithm, system, network, link loading library, interview experience, recruitment, recommendation, etc.

37.7K stars·8.1K forks·7 months ago

DuckDB is an analytical in-process SQL database management system

37.4K stars·3.1K forks·2 days ago

Animated sprite editor & pixel art tool (Windows, macOS, Linux)

36.5K stars·7.9K forks·4 days ago

Self-hosted game stream host for Moonlight.

36K stars·1.8K forks·Today

Hyprland is an independent, highly customizable, dynamic tiling Wayland compositor that doesn't sacrifice on its looks.

35K stars·1.7K forks·Yesterday

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

34.7K stars·5.9K forks·Yesterday

Caffe: a fast open framework for deep learning.

34.7K stars·18.5K forks·1 years ago

Collection of various algorithms in mathematics, machine learning, computer science and physics implemented in C++ for educational purposes.

34K stars·7.8K forks·6 months ago

OpenPose: Real-time multi-person keypoint detection library for body, face, hands, and foot estimation

34K stars·8.1K forks·1 years ago

Carbon Language's main repository: documents, design, implementation, and related tools. (NOTE: Carbon Language is experimental; see README)

33.7K stars·1.5K forks·Today

The Serenity Operating System 🐞

33.1K stars·3.3K forks·Today

Windows Subsystem for Linux

31.8K stars·1.7K forks·Yesterday

A library that provides an embeddable, persistent key-value store for fast storage.

31.6K stars·6.8K forks·Yesterday

A monitor of resources

31.5K stars·975 forks·5 days ago

Telegram Desktop messaging app

31.4K stars·6.6K forks·Today

Windows Calculator: A simple yet powerful calculator that ships with Windows

30.9K stars·5.7K forks·3 months ago

Compatibility tool for Steam Play based on Wine and additional components

30.8K stars·1.4K forks·Yesterday

PlayStation 4 emulator for Windows, Linux, macOS and FreeBSD written in C++

30.7K stars·2.1K forks·Today

A modern replacement for Redis and Memcached

30.3K stars·1.2K forks·Today

An open-source C++ library developed and used at Facebook.

30.3K stars·5.9K forks·Yesterday

Official source code of FreeCAD, a free and opensource multiplatform 3D parametric modeler.

30.3K stars·5.4K forks·Today

Powerful yet simple to use screenshot software :desktop_computer: :camera_flash:

29.7K stars·1.9K forks·Today

Scriptable Headless Browser

29.5K stars·5.7K forks·3 years ago

Android real-time display control software

29.2K stars·3.5K forks·1 weeks ago

Ranking methodology

We rank the top 50 C++ repositories by total GitHub stars, covering game engines, system tools, databases, and foundational libraries.

Data is sourced from the GitHub REST API and updated daily. Rankings reflect cumulative star counts across each repository's lifetime and should be read as a discovery aid rather than a quality certification. See Methodology & Editorial Standards.