Summer of Code
Science and Medicine
End User Applications
Programming Languages and Development Tools
Graphics / Video / Audio / Virtual Reality
Social / Communications
Data and Databases
CLiPS, University of Antwerp
Cuneiform Digital Library Initiative
International digital library of artifacts inscribed with cuneiform writing
An Open Platform for a Large, Multilingual, Semantic Knowledge Graph
Earth Science Information Partners (ESIP)
Making Earth science data matter.
We are the creators of Elasticsearch, Kibana, Beats, and Logstash.
Free UK Genealogy
Human transcription of family history data
One of the most popular databases on the web with many notable users
MetaBrainz Foundation Inc.
Curating open data sets with open source softer and loads of volunteers.
a scalable C++ machine learning library
Creating and distributing free geographic data for the world.
A web interface for MySQL written in PHP
PostgreSQL is a powerful, open source object-relational database system.
The Vega Visualization Tools by the UW Interactive Data Lab
Declarative formats & Applications for Creating, Saving & Sharing Visualizations
vitrivr - the open-source multimedia search engine
Xapian Search Engine Library
Fast, scalable and flexible search
Search for projects, organizations or usernames