Open-Awesome
CategoriesAlternativesStacksSelf-HostedExplore
Open-Awesome

© 2026 Open-Awesome. Curated for the developer elite.

TermsPrivacyAboutGitHubRSS
  1. Home
  2. Stacks
  3. C++
C

C++

Language
3036 projects9201.8k total stars1732.3k total forks70 languages

Open-source projects built with C++

There are currently 3036 open-source projects built with C++, with a combined total of 9201.8k GitHub stars. The most common language among these projects is C++.

Showing 3,036 open-source projects · page 17 of 85

……
Community-curated · Updated weekly · 100% open source

Found a gem we're missing?

Open-Awesome is built by the community, for the community. Submit a project, suggest an awesome list, or help improve the catalog on GitHub.

Submit a projectStar on GitHub
TensorFlowSharp
TensorFlowSharpmigueldeicaza/TensorFlowSharp

A .NET binding to the TensorFlow C API for running existing machine learning models in C# and F#.

3.1k562C#
2 years ago
irssi
irssiirssi/irssi

A modular, terminal-based IRC client with support for multiple chat protocols via third-party modules.

3.1k394C
6 months ago
PcapPlusPlus
PcapPlusPlusseladb/PcapPlusPlus

A multiplatform C++ library for capturing, parsing, and crafting network packets with wrappers for libpcap, DPDK, and PF_RING.

3.1k754C++
1 day ago
gosseract
gosseractotiai10/gosseract

A Go package for Optical Character Recognition (OCR) using the Tesseract C++ library.

3.1k307Go
7 months ago
NetCoreServer
NetCoreServerchronoxor/NetCoreServer

Ultra-fast, low-latency asynchronous socket server and client library for .NET Core supporting TCP, SSL, UDP, HTTP, HTTPS, and WebSocket protocols.

3.1k628C#
3 months ago
Bloxstrap
Bloxstrapbloxstraplabs/bloxstrap

A third-party bootstrapper for Roblox on Windows with Discord Rich Presence, content modding, and server location display.

3.1k1.1kC#
11 days ago
ETL
ETLETLCPP/etl

A C++ template library for embedded systems with fixed-capacity containers and no dynamic memory allocation.

3.1k542C++
1 day ago
MaNGOS
MaNGOSmangos/mangos

An open-source educational project providing emulation servers for multiple classic World of Warcraft expansions.

3.1k1.4k
5 months ago
BotSharp
BotSharpSciSharp/BotSharp

An open-source AI multi-agent framework in .NET for building and integrating intelligent conversational agents into business applications.

3.1k646C#
20 hours ago
Wangle
Wanglefacebook/wangle

A C++ networking library providing client/server abstractions for building consistent, modular, and composable services.

3.1k548C++
14 hours ago
SIMD Everywhere
SIMD Everywheresimd-everywhere/simde

A header-only library providing portable implementations of SIMD intrinsics for hardware without native support.

3.1k320C
2 days ago
Rubinius
Rubiniusrubinius/rubinius

A modern language platform supporting multiple programming languages with a virtual machine architecture and advanced developer tools.

3.1k587C
11 months ago
xLearn
xLearnaksnzhy/xlearn

A high-performance, easy-to-use, and scalable machine learning package for linear models, factorization machines, and field-aware factorization machines.

3.1k516C++
3 years ago
ZXing.Net
ZXing.Netmicjahn/ZXing.Net

A .NET port of the ZXing library for decoding and generating barcodes like QR codes, Data Matrix, and EAN.

3.1k705C#
2 days ago
FastReport
FastReportFastReports/FastReport

Free open-source reporting tool for .NET applications that generates document-like reports from various data sources.

3.1k678C#
3 days ago
shogun
shogunshogun-toolbox/shogun

A unified and efficient machine learning toolbox with C++ core and multi-language interfaces, developed since 1999.

3.1k1.0kC++
2 years ago
OpenSubdiv
OpenSubdivPixarAnimationStudios/OpenSubdiv

An open-source library for high-performance subdivision surface evaluation on CPU and GPU, matching Pixar's Renderman precision.

3.1k585C++
10 days ago
Swashbuckle
Swashbuckledomaindrivendev/Swashbuckle.WebApi

Seamlessly adds Swagger documentation and a swagger-ui to ASP.NET Web API projects.

3.1k664C#
4 years ago
Uncrustify
Uncrustifyuncrustify/uncrustify

A highly configurable source code beautifier for C, C++, C#, Objective-C, D, Java, Pawn, and Vala.

3.1k602C++
1 day ago
Widelands
Widelandswidelands/widelands

A free, open-source real-time strategy game inspired by Settlers II, featuring singleplayer campaigns and multiplayer mode.

3.0k209C++
18 hours ago
MaterialSkin
MaterialSkinIgnaceMaes/MaterialSkin

A .NET WinForms library that applies Google's Material Design principles to desktop applications.

3.0k861C#
2 years ago
inih
inihbenhoyt/inih

A simple, lightweight .INI file parser written in C, designed for embedded systems.

3.0k572C++
7 months ago
bimg
bimgh2non/bimg

Go package for fast high-level image processing using libvips C bindings.

3.0k346Go
1 year ago
libqrencode W
libqrencode Wfukuchi/libqrencode

A fast and compact C library for encoding data into QR Code symbols with direct bitmap output.

3.0k618C
10 months ago
Cglm
Cglmrecp/cglm

A highly optimized, header-only 2D/3D graphics math library for C, providing fast and ergonomic functions for graphics programming.

3.0k290C
1 month ago
weld
weldweld-project/weld

A language and runtime that optimizes performance of data-intensive applications by lazily building and optimizing computations across libraries.

3.0k252Rust
4 months ago
Chrono
Chronoprojectchrono/chrono

High-performance C++ library for multiphysics and multibody dynamics simulations, including rigid/flexible bodies, granular dynamics, and fluid-solid interaction.

3.0k630C++
1 day ago
protobuf-c
protobuf-cprotobuf-c/protobuf-c

A C implementation of Google Protocol Buffers for serializing structured data with code generation and runtime library.

3.0k773C++
6 days ago
LimboAI
LimboAIlimbonaut/limboai

A Godot 4 plugin providing Behavior Trees and Hierarchical State Machines for creating complex AI behaviors in games.

3.0k140C++
1 day ago
Space Engineers
Space EngineersKeenSoftwareHouse/SpaceEngineers

Open-source voxel-based sandbox game where players engineer and construct spaceships and stations in space.

3.0k887C#
4 years ago
openvslam
openvslamxdspacelab/openvslam

A versatile visual SLAM framework for monocular, stereo, and RGB-D cameras with map storage and reuse capabilities.

3.0k868
5 years ago
LibrePCB
LibrePCBLibrePCB/LibrePCB

A free, cross-platform Electronic Design Automation (EDA) suite for designing printed circuit boards.

3.0k338C++
4 days ago
PF_RING™
PF_RING™ntop/PF_RING

A Linux kernel module and user-space framework for high-speed packet capture and processing with a consistent API.

3.0k363C
2 days ago
MIT Information Extraction Toolkit
MIT Information Extraction Toolkitmit-nlp/MITIE

A free, state-of-the-art library and toolkit for named entity extraction and binary relation detection from text.

3.0k532C++
11 months ago
userver
userveruserver-framework/userver

An open-source asynchronous framework for building high-performance C++ microservices and utilities with rich abstractions.

3.0k408C++
1 day ago
wipEout Rewrite
wipEout Rewritephoboslab/wipeout-rewrite

A re-implementation of the 1995 PlayStation game wipEout, playable in a web browser and on desktop platforms.

3.0k259C
20 days ago
1
16
17
18
85