Matt Tyrel – Helm

Helm is a free, cross-platform, polyphonic synthesizer with a flexible modulation system. Helm is open source and you are free to run it anywhere, study and change the source code, and redistribute exact or modified copies of Helm.
  

Specifications
32 voice polyphony
12 different waveforms
7 filter types with keytracking
2 monophonic and 1 polyphonic LFO
Unison / Harmony mode for oscillators

 

Preview