Open source projects in C++

  • tensorflow/tensorflow

    Computation using data flow graphs for scalable machine learning

    ☕C++   ★92201 stars   ⚠1461 open issues   ⚭54 contributors   ☯about 3 years old  
  • atom/electron

    Build cross platform desktop apps with JavaScript, HTML, and CSS

    ☕C++   ★32348 stars   ⚠286 open issues   ⚭279 contributors   ☯over 5 years old  
  • nwjs/nw.js

    Call all Node.js modules directly from DOM/WebWorker and enable a new way of writing applications with all Web technologies.

    ☕C++   ★33364 stars   ⚠683 open issues   ⚭61 contributors   ☯almost 7 years old  
  • ncsoft/Unreal.js

    Unreal.js: Javascript runtime built for UnrealEngine 4

    ☕C++   ★2065 stars   ⚠65 open issues   ⚭4 contributors   ☯about 3 years old  
  • koekeishiya/kwm

    Tiling window manager with focus follows mouse for OSX

    ☕C++   ★3438 stars   ⚠63 open issues   ⚭8 contributors   ☯about 3 years old  
  • dmlc/mxnet

    Lightweight, Portable, Flexible Distributed/Mobile Deep Learning with Dynamic, Mutation-aware Dataflow Dep Scheduler; for Python, R, Julia, Scala, Go, Javascript and more

    ☕C++   ★12865 stars   ⚠753 open issues   ⚭82 contributors   ☯over 3 years old  
  • amplab/SparkNet

    Distributed Neural Networks for Spark

    ☕C++   ★555 stars   ⚠31 open issues   ⚭2 contributors   ☯about 3 years old  
  • BVLC/caffe

    Caffe: a fast open framework for deep learning.

    ☕C++   ★23168 stars   ⚠775 open issues   ⚭162 contributors   ☯over 5 years old  
  • google/protobuf

    Protocol Buffers - Google's data interchange format

    ☕C++   ★24226 stars   ⚠681 open issues   ⚭115 contributors   ☯over 4 years old  
  • tesseract-ocr/tesseract

    Tesseract Open Source OCR Engine (main repository)

    ☕C++   ★16844 stars   ⚠228 open issues   ⚭24 contributors   ☯over 4 years old  
  • apple/swift

    The Swift Programming Language

    ☕C++   ★42931 stars   ⚠293 open issues   ⚭263 contributors   ☯about 3 years old  
  • SwiftAndroid/swift

    Port of Apple's reference Swift toolchain to Android; doesn't quite work yet

    ☕C++   ★743 stars   ⚠2 open issues   ⚭261 contributors   ☯about 3 years old  
  • rethinkdb/rethinkdb

    The open-source database for the realtime web.

    ☕C++   ★20868 stars   ⚠1480 open issues   ⚭101 contributors   ☯about 6 years old  
  • openalpr/openalpr

    Automatic License Plate Recognition library

    ☕C++   ★6843 stars   ⚠274 open issues   ⚭26 contributors   ☯about 5 years old  
  • cocos2d/cocos2d-x

    Cocos2d-x is a suite of open-source, cross-platform, game-development tools used by millions of developers all over the world.

    ☕C++   ★11661 stars   ⚠1263 open issues   ⚭366 contributors   ☯about 8 years old  
  • google/googletest

    Google Test

    ☕C++   ★7535 stars   ⚠525 open issues   ⚭30 contributors   ☯over 3 years old  
  • bitcoin/bitcoin

    Bitcoin Core integration/staging tree

    ☕C++   ★29175 stars   ⚠824 open issues   ⚭337 contributors   ☯almost 8 years old  
  • tatsuhiro-t/aria2

    aria2 is a lightweight multi-protocol & multi-source, cross platform download utility operated in command-line. It supports HTTP/HTTPS, FTP, SFTP, BitTorrent and Metalink.

    ☕C++   ★2646 stars   ⚠142 open issues   ⚭23 contributors   ☯about 8 years old  
  • baidu/galaxy

    Galaxy is a cluster management system.

    ☕C++   ★293 stars   ⚠18 open issues   ⚭16 contributors   ☯almost 4 years old  
  • Microsoft/GSL

    Guidelines Support Library

    ☕C++   ★2609 stars   ⚠79 open issues   ⚭30 contributors   ☯over 3 years old  
  • zneak/units-cxx14

    A header library for calculations with units

    ☕C++   ★28 stars   ⚠0 open issues   ⚭1 contributors   ☯almost 3 years old  
  • SFTtech/openage

    Free (as in freedom) open source clone of the Age of Empires II engine :rocket:

    ☕C++   ★7367 stars   ⚠193 open issues   ⚭69 contributors   ☯about 5 years old  
  • miloyip/rapidjson

    A fast JSON parser/generator for C++ with both SAX/DOM style API

    ☕C++   ★5653 stars   ⚠216 open issues   ⚭36 contributors   ☯almost 5 years old  
  • frewsxcv/afl.rs

    Fuzzing Rust code with american-fuzzy-lop

    ☕C++   ★581 stars   ⚠9 open issues   ⚭5 contributors   ☯over 3 years old  
  • mongodb/mongo

    The MongoDB Database

    ☕C++   ★13255 stars   ⚠23 open issues   ⚭238 contributors   ☯almost 10 years old  
  • AustinSpafford/sunset_leaf

    Internet-connected leaves that project sunsets on the ceiling.

    ☕C++   ★4 stars   ⚠0 open issues   ⚭1 contributors   ☯almost 3 years old  
  • esp8266/Arduino

    ESP8266 core for Arduino

    ☕C++   ★6907 stars   ⚠584 open issues   ⚭90 contributors   ☯over 3 years old  
  • PCSX2/pcsx2

    PCSX2 - The Playstation 2 Emulator

    ☕C++   ★2169 stars   ⚠392 open issues   ⚭69 contributors   ☯almost 5 years old  
  • open-source-parsers/jsoncpp

    A C++ library for interacting with JSON.

    ☕C++   ★2640 stars   ⚠82 open issues   ⚭64 contributors   ☯over 4 years old  
  • sqlitebrowser/sqlitebrowser

    Official home of the DB Browser for SQLite (DB4S) project. Previously known as "SQLite Database Browser" and "Database Browser for SQLite". Website at:

    ☕C++   ★8178 stars   ⚠265 open issues   ⚭38 contributors   ☯over 4 years old