Frinika is a free (licensed under GNU GPL) complete music
workstation software containing sequencer, midi support, soft synthesizers,
audio recorder, piano roll/tracker/notation editing and more. The goal of Frinika is to be a complete platform
for making music with your computer, using the versatile Java platform to be
able to run on several operating systems, and being open source to be able to embrace the best open source
technology being available at any time.