Helio is a lightweight, minimalistic tool, that helps you to get into the zone and focus on music.
Hosts VST2, VST3 and AudioUnit. Runs on CoreAudio, ASIO, DirectSound, ALSA, JACK and OpenSLES. Exports to MIDI, WAV and FLAC.
Version control integrated
Make changes to your work easily: every changeset can be tracked, every revision can be restored.
Libre y gratis
Open-source, GPL-licensed and free to use, forever. Vive la Resistance, yo.
Helio is a work in progress, one-man hobby project, so it probably won't replace your DAW at the moment. The author builds it for himself and shares with the world.