A portable, multi-platform, command-line driven graphing utility
Free & Open Community Edition Server in a Complete Virtual Machine
BoPlanets shows planets relatively to an observing planet.
Manage, Publish and Share Ontologies, Taxonomies, Thesauri, Glossaries
An app for storing code, text & more. A popular Open Source pastebin.
Standards Compliant Learning Management System
An open source website for help in grade 1-4 school work practice.
Metatagging Editor for Learning Object Metadata (IEEE's LOM)
create trombinoscope with just e web browser and a webcam
Combined search engine for publication databases.
A modification that allows users to print a certificate after exercise