Reaper - http://www.reaper.fm/
A complete software recording studio. Record your own album in no time!
Kong Audio - http://www.chineekong.com/free.htm
A range of sampled chinese instruments. The Mini Dizi, in particular, sounds great when played with the Technopipes.
Directwave - http://www.image-line.com/documents/directwave.html
A sampler containing lots of different sampled instruments - the violin is ePipes pick.