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C Plus Plus GitHub Repositories (2026) · Open Source Tools

Discover the best C Plus Plus open source repositories on GitHub. Explore trending tools, live star counts, source code, and developer projects updated daily.

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170 matching projects · updated Nov 14, 2026 How we rank ↗

#161 TRENDING DionysiosB/CodeForces C++ 2013

CodeForces Algorithms

◇ c-plus-plus ◇ c-plusplus ◇ codeforces ◇ codeforces-com

173 ↑ +1 today

#162 TRENDING eliaskosunen/scnlib C++ 2018

scanf for modern C++

◇ c-plus-plus ◇ cpp ◇ input ◇ io

61 ↑ +1 today

#163 TRENDING cms-sw/cmssw C++ 2013

CMS Offline Software

◇ c-plus-plus ◇ cern ◇ cms-experiment ◇ hep

4.7K ↑ +1 today

#164 TRENDING saschpe/masonry C++ 2009

Mason-graph visualisation and computation utility

◇ c-plus-plus ◇ cmake ◇ mason-graph ◇ qt

0 ↑ +1 today

#165 TRENDING jweyrich/proxylib C 2010

A simple async proxy library based on Boost Asio.

◇ asio ◇ asynchronous ◇ c-plus-plus ◇ proxy

0 ↑ +1 today

#166 TRENDING SmingHub/Sming C++ 2015

Sming - powerful open source framework simplifying the creation of embedded C++ applications.

◇ arduino ◇ async ◇ c-plus-plus ◇ embedded

345 ↑ +1 today

#167 TRENDING AcademySoftwareFoundation/OpenImageIO C++ 2011

Reading, writing, and processing images in a wide variety of file formats, using a format-agnostic API, aimed at VFX applications.

◇ c-plus-plus ◇ c-plus-plus-11 ◇ image-processing ◇ images

713 ↑ +1 today

#168 TRENDING aligusnet/mixvm C++ 2010

MIX Virtual Machine

◇ c-plus-plus ◇ mix-virtual-machine

1 ↑ +1 today

#169 TRENDING rel-eng/QWmfPlugin C++ 2010

Image IO plugin for *.wmf files

◇ c-plus-plus ◇ image ◇ plugin ◇ qt

2 ↑ +1 today

#170 TRENDING saschpe/satf C++ 2009

Runtime performance measurement tool for generic algorithms that uses gnuplot to generate nice plots

◇ algorithm ◇ boost ◇ c-plus-plus ◇ cmake

0 ↑ +1 today

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