Sinthecyza! 3.1 (free)

Tri-Envelope Sub-Osc Synth

Standard Tuning and Sub Oscillators
2-8 Voice Unison
24db LP Filter with Key Follow on Frequency and Resonance
1 Amplifier AHDSR and 2 Filter DAHDSR Envelope Generators with Inversion and Offset Options
Velocity Sensitivity, Keyboard Scaling and Glide Controls
Mono/Osc Sync Switches
Default Position Reset on all Rotary Controls
Full Automation