The best replacement for vbulletin is phpbb.

The best alternatives to vbulletin are rated as following:
★★★★★  phpbb
★★★★  ipb
★★★★  xenforo
★★  smf
★★  mybb
★  vanilla
★  invision
★  phpbb3
★  invision power
★  bbpress
  simple machines
  vanilla forums
  buddypress
  discourse
  ip board
  phpbb or
  invision power board
  invision board

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

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



Google Trends

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