Triceratops is an analogue style polyphonic subtractive synthesizer plugin, for use with the LV2 plugin architecture, at this time there is no standalone version. An up to date version of the LV2 library is required along with a suitable host (e.g. Qtractor, Jalv, Ardour).

www.thunderox.com/triceratops
sourceforge.net/projects/triceratops