Description: LinuxSampler is a free, open source pure software audio sampler with professional grade features, comparable to both hardware and commercial Windows/Mac software samplers.

Description: Record, edit and mix multi-track audio. Produce your own CD's. Mix video soundtracks. Experiment with new ideas about music and sound...

Description: Rosegarden is a professional audio and MIDI sequencer, score editor, and general-purpose music composition and editing environment. Ideal for composers, musicians, music students, and small studio or home recording environments.

Description: LilyPond is an automated engraving system. It formats music beautifully and automatically, and has a friendly syntax for its input files. It is Free Software (open source).