Vanilla Forums
8,655 websites

Vanilla Forums is free to use

https://vanillaforums.org/

Vanilla is an open-source, standards-compliant, multi-lingual, fully extensible discussion forum for the web.

VS

vBulletin 3.x
3,196 websites

vBulletin 3.x costs money

http://www.vbulletin.com

vBulletin is a professional, affordable community forum solution. Thousands of clients, including many industry leading blue chip companies, have chosen vBulletin - It's the ideal choice for any size of community.

Market Share by Top Websites

1 Vanilla Forums is leading in Top 10K Sites, Top 100K Sites and The Entire Web.

2 vBulletin 3.x is leading in Top 1M Sites.

Websites Categories

1 Vanilla Forums has better usage coverage in more websites categories. Including Computers Electronics & Technology, Food & Drink, Lifestyle, Gambling and 14 other categories.

2 vBulletin 3.x is leading in Vehicles, Adult, Community & Society, Science & Education and 2 other categories.

Geography

1 Vanilla Forums is leading in most countries, including United States, Germany, United Kingdom, Canada and 89 other countries.

2 vBulletin 3.x is leading in Russia, Egypt, Saudi Arabia, Ukraine and 26 other countries.