prodatum is a free, cross-platform patch editor for the E-MU Proteus 2000 sample-based synthesizer family. Audion synthesis made easy.

Features:
1. Logical, musical, good looking interface with many color themes
2. Undo/Redo, Mouse-wheel editing, Randomizer
3. Cubic volume faders, Arp-Editor, Virtual Keyboard, graphical Envelope-Editors
4. Full control over every parameter of the synthesizer
5. Explanation of every parameter via tooltip

The license of this software is Free, you can free download and free use this audio utility software.