Open Source Computer Vision Library

Tesseract Open Source OCR Engine (main repository)

Caffe: a fast open framework for deep learning.

The Fast Cross-Platform Package Manager

Mapnik is an open source toolkit for developing mapping applications

An Open Source Implementation of the Actor Model in C++

AutoPhrase: Automated Phrase Mining from Massive Text Corpora

Graph database implementing the RDF and SPARQL standards. Very fast and scales to hundreds of billions of triples on a single commodity machine.

VR Juggler provides a cross-platform virtual reality application development framework

XCDF: eXplicitly Compacted Data Format. See documentation at Read the Docs:

Computer music on HPC