C++ is a powerful, high-performance programming language that offers a mix of low-level hardware control and high-level abstractions, making it highly suitable for software that demands efficient resource utilization. As an application developer, C++ enables you to write fast and efficient code, particularly beneficial for system/software development like operating systems, games, and real-time simulations. It supports object-oriented programming, allowing code reusability and modularity through classes and inheritance, while also providing features like templates for generic programming and exceptions for error handling. With its Standard Template Library (STL), C++ offers a collection of useful data structures and algorithms, optimizing productivity and performance. However, developers should be mindful of its complexities, such as manual memory management and a steeper learning curve compared to higher-level languages, ensuring robust practices to prevent issues like memory leaks and undefined behaviors.
View the most prominent open source C++ projects in the list below. Click on a specific project to view its alternative or complementary packages. Make comparisons and find the best package for your app.
- Curated list of project-based tutorials☆267,533Aug 15, 2024Updated last year
- 技术面试必备基础知识、Leetcode、计算机操作系统、计算机网络、系统设计☆184,464Aug 21, 2024Updated last year
- A curated list of awesome C++ (or C) frameworks, libraries, resources, and shiny things. Inspired by awesome-... stuff.☆71,554Updated this week
- 《代码随想录》LeetCode 刷题攻略:200道经典题目刷题顺序,共60w字的详细图解,视频难点剖析,50余张思维导图,支持C++,Java,Python,Go,JavaScript等多语言版本,从此算法学习不再迷茫!🔥🔥 来看看,你会发现相见恨晚!🚀☆61,581Apr 30, 2026Updated last month
- LeetCode Solutions: A Record of My Problem Solving Journey.( leetcode题解,记录自己的leetcode解题之路。)☆55,766Jul 16, 2025Updated 10 months ago
- 🔍 A Hex Editor for Reverse Engineers, Programmers and people who value their retinas when working at 3 AM.☆53,757Updated this week
- ClickHouse® is a real-time analytics database management system☆47,754Updated this week
- C++那些事☆43,183May 16, 2026Updated 2 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 s…☆37,929Aug 24, 2025Updated 9 months ago
- Animated sprite editor & pixel art tool (Windows, macOS, Linux)☆37,250Updated this week
- Self-hosted game stream host for Moonlight.☆37,497Updated this week
- 🔥LeetCode solutions in any programming language | 多种编程语言实现 LeetCode、《剑指 Offer(第 2 版)》、《程序员面试金典(第 6 版)》题解☆36,095Updated this week
- Collection of various algorithms in mathematics, machine learning, computer science and physics implemented in C++ for educational purpos…☆34,301Oct 11, 2025Updated 7 months ago
- OpenPose: Real-time multi-person keypoint detection library for body, face, hands, and foot estimation☆34,124Aug 3, 2024Updated last year
- Carbon Language's main repository: documents, design, implementation, and related tools. (NOTE: Carbon Language is experimental; see READ…☆33,724Updated this week
- Windows Calculator: A simple yet powerful calculator that ships with Windows☆30,937May 28, 2026Updated last week
- PlayStation 4 emulator for Windows, Linux, macOS and FreeBSD written in C++☆31,245Updated this week
- A modern replacement for Redis and Memcached☆30,590Updated this week
- Fast C++ logging library.☆28,837May 29, 2026Updated last week
- C++ Library Manager for Windows, Linux, and MacOS☆27,091Updated this week
- 🔥🔥超过1000本的计算机经典书籍、个人笔记资料以及本人在各平台发表文章中所涉及的资源等。书籍资源包括C/C++、Java、Python、Go语言、数据结构与算法、操作系统、后端架构、计算机系统知识、数据库、计算机网络、设计模式、前端、汇编以及校招社招各种面经~☆26,887Nov 6, 2025Updated 6 months ago
- Solidity, the Smart Contract Programming Language☆25,644Updated this week
- 📚 Modern C++ Tutorial: C++11/14/17/20 On the Fly | https://changkun.de/modern-cpp/☆25,557Aug 17, 2024Updated last year
- A modern formatting library☆23,541Updated this week
- A brief computer graphics / rendering course☆23,621Nov 21, 2025Updated 6 months ago
- Slint is an open-source declarative GUI toolkit to build native user interfaces for Rust, C++, JavaScript, or Python apps.☆22,746Updated this week
- A cheatsheet of modern C++ language and library features.☆21,692Mar 1, 2026Updated 3 months ago
- ⚡ Automatically decrypt encryptions without knowing the key or cipher, decode encodings, and crack hashes ⚡☆21,419May 26, 2026Updated last week
- A modern, C++-native, test framework for unit-tests, TDD and BDD - using C++14, C++17 and later (C++11 support is in v2.x branch, and C++…☆20,412May 14, 2026Updated 3 weeks ago
- Linux下C++轻量级WebServer服务器☆19,528Jul 5, 2024Updated last year
- Background Music, a macOS audio utility: automatically pause your music, set individual apps' volumes and record system audio.☆19,004May 29, 2026Updated last week
- ANTLR (ANother Tool for Language Recognition) is a powerful parser generator for reading, processing, executing, or translating structure…☆18,897Feb 16, 2026Updated 3 months ago
- Run compilers interactively from your web browser and interact with the assembly☆18,797May 28, 2026Updated last week
- PlayStation 3 emulator and debugger☆18,889Updated this week
- 图解计算机网络、操作系统、计算机组成、数据库,共 1000 张图 + 50 万字,破除晦涩难懂的计算机基础知识,让天下没有难懂的八股文!🚀 在线阅读:https://xiaolincoding.com☆17,989Nov 27, 2024Updated last year
- Linux / Windows / macOS 跨平台 V2Ray 客户端 | 支持 VMess / VLESS / SSR / Trojan / Trojan-Go / NaiveProxy / HTTP / HTTPS / SOCKS5 | 使用 C++ / Qt 开…☆16,955Oct 27, 2025Updated 7 months ago
- QuestDB is a high performance, open-source, time-series database☆17,008Updated this week
- 12 Weeks, 24 Lessons, IoT for All!☆16,919May 26, 2026Updated last week
- Virtual Machine for the Web☆16,886Updated this week
- Sourcetrail - free and open-source interactive source explorer☆16,464Dec 13, 2021Updated 4 years ago