Guda Audio has released a demo version of Enterpe, its virtual synthesizer instrument for Mac.
Virtual Analog synth having two oscillators with freely adjustable analog waveforms. Each oscillator can double up to ten oscillators for a total of 20 oscillator super-saw, square, sine, triangle. Multimode filter with two resonant lowpass and one highpass. Builtin oscilloscope make sound crafting easier with direct visual feedback while tweaking parameters. Adjustable decimation following filter envelope, builtin dist, reverb and echo effects.
Euterpe is available to purchase for Mac OS X (VST/AU) for 29 EUR. A Windows version is under development and will be available Q1, 2012.
The free demo version of Enterpe is fully functional with a short noise inserted a second every minute.
More information: Guda Audio