• Feed Informer
  Mix, convert, and republish feeds.
  By hno in Public bookmarks with demo filtering re-mix rss rss_feeds tools web_design widgets by 6 users
• Blastfeed
  By hno in Public bookmarks with filtering re-mix rss tools by 6 users
• Fwicki
  Customizable RSS feed mashup application.
  By hno in Public bookmarks with mashups re-mix rss rss_readers tools by 7 users
• KickRSS
  
  KickRSS enables you to combine RSS Feeds (and atom xml) into a single RSS feed or webpage, at an easy-to-remember (and very cool) URL.
  aggregators and blogs channels create feed feeds free kickrss list readers rss xml
  By hno in Public bookmarks with re-mix rss rss_readers tools by 8 users

Results 1 - 4 for re-mix