Ardour is a digital audio workstation. You can use it to record, edit, and
mix multi-track audio. Produce your own CD's. Mix video soundtracks.
Experiment with new ideas about music and sound. Generate sound
installations for 12 speaker gallery shows.

Ardour capabilities include: multichannel recording, non-linear, non-
destructive region based editing with unlimited undo/redo, full automation
support, a mixer whose capabilities rival high end hardware consoles, lots
of plugins to warp, shift, and shape your music, and controllable from
hardware control surfaces at the same time as it syncs to timecode. If you
have been looking for a tool similar to ProTools, Nuendo, Cubase SX, Digital
Performer, Samplitude, or Sequoia, you might have found it.

WWW: https://ardour.org/