Tkeca is a TCL/TK frontend for Kai Vehmanen's ECASOUND.

It's intended to have all the ECASOUND features including:
- unlimited number of tracks
- volume and pan control on each track
- up to 8 effects for each track
- LADSPA support
- multitrack support
- multiple inputs/outputs/soundcards
- effects preview
- multiple takes on each track
- mute track

WWW: http://tkeca.sourceforge.net/