What it looks like...

Here are some screenshots of terminatorX 3.82 in action.

This shows terminatorX with the sequencer and live scratching in effect.

Selecting a LADSPA plugin from a liblrdf structured menu.

Mapping a parameter to a turntable's axis. This works for LADSPA plugins, too.

Configuring terminatorX.

Mapping MIDI events to turntable parameters.