openopen.org has a nice overview by platform of the current open source browser offerings
All these browsers can import your current set of bookmarks

  • mozilla.org: Home of many browser technologies and software for many platforms
  • firefox browser: Lean and mean, from mozilla.org. Designed to be "lean and mean", with an incredible number of extensions
  • Opera: A fast browser, with a very high degree of compatiblity with Internet Explorer
  • Mac OS X users can use this thorough comparison to make an informed decision
  • Internet Explorer should be avoided at all costs, it is plagued by bugs and vulnerabilities and there are much better alternatives

Browsers speed compared