The Simple Graphics Cluster Toolkit is a framework to support the development of non-standard display environments, such as fisheye rendering or cluster systems

UTF-8 with C++ in a Portable Way

TTK - Topological Data Analysis and Visualization - Source Code

OpenEXR is a high dynamic-range (HDR) image file format developed by Industrial Light & Magic for use in computer imaging applications

Google Test

Implementation of C++20's std::span for older compilers