Vistle
Vistle is an extensible software environment that integrates simulations on supercomputers, post-processing and parallel interactive visualization in immersive virtual environments.
It is developed at HLRS since 2012. Funding has been provided by the European projects CRESTA, EXCELLERAT, bwVisu, and KoLab BW.
Source code is available on GitHub and licensed under LGPL-2.1. You can find more information on Vistle on its website vistle.io.