Soundation
Soundation focuses on online beat making and multitrack music.
What it does
Soundation uses a browser timeline for beats and multitrack projects.
When to use it
For a video intro, build eight bars first to test the rhythmic feel.
Visit Soundation official site
Amped Studio
Amped Studio focuses on browser-based recording and multitrack production.
Ardour
Ardour focuses on recording, composition, and mixing workflows.
Audacity
Audacity focuses on waveform editing, recording, and audio effects.