Protracker and FastTracker compatible: load, edit and save .mod and .xm files
Allows up to 32 channels
Has a built-in sample editor
Midi support
Imports 8-bit WAV files, 8-Bit Sampled Voice (8SVX) files, and RAW samples (as well as any other format the AudioContext interface can read, such as .mp3 and .ogg)
Exports to .wav and .mp3 formats
Includes the historic ST-01 and ST-02 sample disks, released in 1987 (as well as a bunch of others)
Uses the modarchive API to give access to several thousands of music files
Uses the modules.pl API to give access to even more music files
Can connect to your Dropbox account to directly read and write your own files
Includes a lightweight player library which you can use in your own projects
If words like Trackers, Samples, MOD and XM don't sound familiar and you're interested in the roots of home-produced digital music, read the "What is a tracker" section, or watch this
highly entertaining video to get a feel of what's it all about.