Tesseract Open Source OCR Engine (main repository)

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

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++03 on the Catch1.x branch)

Seamless operability between C++11 and Python

Enabling the Windows Subsystem for Linux to include support for Wayland and X server related scenarios

Mirror of Visualization Toolkit repository

Command Line Interactive and Scriptable Application to access MEGA

SU2: An Open-Source Suite for Multiphysics Simulation and Design

An implementation of C++17 std::filesystem for C++11 /C++14/C++17/C++20 on Windows, macOS, Linux and FreeBSD.

C++11 port of docopt

Main VirtualGL repository

Chemical kinetics, thermodynamics, and transport tool suite

HIPIFY: Convert CUDA to Portable C++ Code

C++ framework for embedded programming on top of Espressif's ESP-IDF.

ScanTailor Universal - a fork based on Enhanced+Featured+Master versions of ST

UI test automation library for QtQuick/QML Apps

ENGRID is a mesh generation software with CFD applications in mind. It supports automatic prismatic boundary layer grids for Navier-Stokes simulations and has a Qt based GUI.

The MUlticomponent Thermodynamic And Transport library for IONized gases in C++

Archiveopteryx—An advanced PostgreSQL-based IMAP/POP server

An open-source implementation of Quadrature-Based Moment Methods

Apache Arrow PostgreSQL connector

Intervals coupled with algebra of set to handle adaptive mesh refinement and operators on it.

Compressible hydro and magneto-hydrodynamics (2nd order Godunov) implemented with MPI+Kokkos

A C++ implementation of quadtree

PAM module for authentication against CouchDB