EasyABC is an open source ABC editor
Audio converter and CD ripper for various formats
Read, write and edit metadata
Free church worship presentation software
Real-time 3D visualization of space
an Open Source BPMN 2.0 / DMN 1.1 Modeler
Streams many media formats with minimal configuration
Turn your PC into a very advanced MediaCenter/HTPC
PlayStation 2 emulator for Windows and Linux
Free music notation & composition software
JavaScript-Based Molecular Viewer From Jmol
The ultimate cataloguer