I can guarantee that there are heaps. Sorry I can't name names off-hand. Google for the sites that offer freeware music programs for download. Also there's a free newsletter that gives lots of info about everything to do with the music-making scene. It's written by Scott Garrigus who's written all the Sonar Power and SoundForge Power books.
http://www.digifreq.com/digifreq/
Top Fifty Free Downloads:
http://www.hitsquad.com/smm/top50/?nl43