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Starred repositories

189 stars written in C++
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Open Source Computer Vision Library

C++ 86,115 56,523 Updated Feb 9, 2026

Tesseract Open Source OCR Engine (main repository)

C++ 72,312 10,492 Updated Feb 9, 2026

Powerful yet simple to use screenshot software 🖥️ 📸

C++ 29,266 1,850 Updated Feb 7, 2026

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

C++ 28,516 5,160 Updated Feb 10, 2026

Xournal++ is a handwriting notetaking software with PDF annotation support. Written in C++ with GTK3, supporting Linux (e.g. Ubuntu, Debian, Arch, SUSE), macOS and Windows 10. Supports pen input fr…

C++ 14,278 1,004 Updated Feb 9, 2026

MuseScore is an open source and free music notation software. For support, contribution, bug reports, visit MuseScore.org. Fork and make pull requests!

C++ 14,234 3,068 Updated Feb 9, 2026

Open3D: A Modern Library for 3D Data Processing

C++ 13,311 2,528 Updated Feb 9, 2026

QGIS is a free, open source, cross platform (lin/win/mac) geographical information system (GIS)

C++ 13,250 3,360 Updated Feb 9, 2026

a small build system with a focus on speed

C++ 12,679 1,771 Updated Jan 20, 2026

Krita is a free and open source cross-platform application that offers an end-to-end solution for creating digital art files from scratch built on the KDE and Qt frameworks.

C++ 9,333 739 Updated Feb 10, 2026

OpenSCAD - The Programmers Solid 3D CAD Modeller

C++ 8,832 1,440 Updated Feb 10, 2026

Official doxygen git repository

C++ 6,335 1,340 Updated Feb 9, 2026

GDAL is an open source MIT licensed translator library for raster and vector geospatial data formats.

C++ 5,758 2,844 Updated Feb 10, 2026

The public CGAL repository, see the README below

C++ 5,742 1,530 Updated Feb 6, 2026

LibreCAD is a cross-platform 2D CAD program written in C++17. It can read DXF/DWG files and can write DXF/PDF/SVG files. It supports point/line/circle/ellipse/parabola/spline primitives. The user i…

C++ 5,595 1,170 Updated Feb 2, 2026

The open source mesh processing system

C++ 5,559 883 Updated Feb 3, 2026

Open-source video compositing software. Node-graph based. Similar in functionalities to Adobe After Effects and Nuke by The Foundry.

C++ 5,283 373 Updated Jul 2, 2025

Simple MPL-2.0-licensed C++ geometry processing library.

C++ 4,953 1,197 Updated Feb 3, 2026

Mirror of Ardour Source Code

C++ 4,753 820 Updated Feb 9, 2026

qpdf: A content-preserving PDF document transformer

C++ 4,751 360 Updated Feb 7, 2026

Fast and minimalist 3D viewer.

C++ 4,119 374 Updated Feb 9, 2026

Parametric 2d/3d CAD

C++ 3,731 545 Updated Feb 4, 2026

Read-only LibreOffice core repo - no pull request (use gerrit instead https://gerrit.libreoffice.org/) - don't download zip, use https://dev-www.libreoffice.org/bundles/ instead

C++ 3,654 778 Updated Feb 9, 2026

Mirror of Visualization Toolkit repository

C++ 3,084 1,281 Updated Feb 10, 2026

An Open-Source subdivision surface library.

C++ 3,037 578 Updated Dec 15, 2025

The C++ Standard Library for Parallelism and Concurrency

C++ 2,786 509 Updated Feb 9, 2026

High-performance C++ library for multiphysics and multibody dynamics simulations

C++ 2,715 567 Updated Feb 8, 2026

a programming library with geometric algorithms

C++ 2,365 173 Updated Feb 9, 2026

Open source IFC library and geometry engine

C++ 2,363 873 Updated Feb 9, 2026

Multi-platform, free open source software for visualization and image computing.

C++ 2,311 691 Updated Feb 9, 2026
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