Foo YC-20 is free software emulation of the YC-20 divide-down combo organ from the 60's. The plugin is available for Linux, Windows and Mac.
Features:
Note: YC-20 takes quite a bit of CPU power, it does not have touch vibrato.
Availability
YC-20 is available now as a free download for Linux, Windows and Mac.
Links:
James Lewin
Twitter @podcasting_news
Older Music Machines & the People Who Still Use Them
Developments for Korg's instrument have been slow but promising.