The best replacement for mozilla is firefox.

The best alternatives to mozilla are rated as following:
★★★★★  firefox
★★★★  chrome
★★★★  internet explorer
★★★  ie
★★★  safari
★★★  google chrome
★★  explorer
★★  opera
★  netscape
  okcupid
  ie7
  genus firefox
  chrome speed
  foxfire
  internet explorer 8
  mozilla firefox
  avant
  thunderbird

Your alternative for mozilla is not listed? Suggest!
Speaking about mozilla, one probably shouldn't forget about flash player.

Other search terms related to mozilla and their ratings are:
★★★★★ flash player
★★★★★ youtube downloader
★ homepage
You have in mind a companion for mozilla and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of mozilla in all years. Click on graph for more.
mozilla
firefox
chrome