Another one:
- Furnace – open source chiptune tracker and sampler
Community for music producers who use linux, whether you are using lmms/ardour/bitwig or using wine for ableton/flstudio, to discuss and ask questions
feel free to post your new music and setups, too!
Proprietary DAWs : I see you've listed some in the sidebar. I just wanted to add that Reaper has Linux versions. It's well worth looking at.