OPX Free is a free software synthesizer modeled after the Oberheim hardware synthesizer, developed by SonicProjects. Available as VST for Windows.
OP-X Free is a cut down preset version of OP-X offering a small set of selected original OP-X sounds for free use. OP-X Free has got the same basic engine as OP-X while only giving access to a few parameters on a cut-down user interface.
OP-X Free can’t load any further OP-X patches and does not offer automation or MIDI remote control. However, it can be upgraded to OP-X Player, which contains the full OP-X patches library as well as automation and MIDI remote control.
Features:
- A small set of selected original OP-X sounds.
- Separate Voice Design (SVD).
- Comprehensive detuning options.
- Tunable: Oscillators, Filters, Envelopes, Portamento times.
- Spread knob for unison and polyphonic mode.
- SEM-Filter emulation.
- Polyphonic portamento.
- Individual voice pans.
- Direct upgrade knob.
http://www.sonicprojects.ch/