The best replacement for frostwire is limewire.

The best alternatives to frostwire are rated as following:
★★★★★  limewire
★★★  bearshare
★★★  ares
★★★  vuze
★★  utorrent
★  bittorrent
★  mp3 rocket
★  imesh
★  limewire pro
★  limewire better
★  shareaza
★  limewire which is safer
★  cabos
★  emule
  limewire pirate
  kazaa
  bitcomet
  mediafire
  limewire pirate edition

Your alternative for frostwire is not listed? Suggest!
Speaking about frostwire, one probably shouldn't forget about viruses.

Other search terms related to frostwire and their ratings are:
★★★★★ viruses
You have in mind a companion for frostwire and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of frostwire in all years. Click on graph for more.
frostwire
limewire
bearshare