Triple Cheese is a 16-voice realtime softsynth created by the team at U-he.com. A linux beta version is available for download at the KVR link below. As a plugin, it can be run in several DAWs, such as Qtractor. Demos above are of some of the presets provided in the tarball.
Triple Cheese utilizes comb filters to create tones, rather than traditional filters and subtractive synthesis. There are three modules in the GUI: the first one creates sound only, whereas the other two can either generate sound or modulate the others. The types of sounds that the three generators can make (modes) are: pluck, sawpluck, squarepluck, bowed and blown. Module one can also produce: noise, DC (dc offset) and crackle. Generators 2 and 3 can also produce: resonator, damp and stressor. The Tone and Damp controls of each module serve to alter these modes in various ways. Together with tuning and pan knobs, a routable modulation knob "..." is also included (right-click to select modulation destination). The user guide provided in the tarball includes a handy table with some suggestions on how to use the Tone and Damp controls to achieve specific results.
The Triple Cheese GUI also includes two ADSR envelopes, and LFO section and an effects section which includes two types of chorus, three delays, reverb, flanger and phaser. Preset save and recall is straight-forward. Midi learn is also provided.
Linux beta version of Triple Cheese at KVR