Vanilla is an open-source, standards-compliant, multi-lingual, fully extensible discussion forum for the web.
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.
Vanilla Forums is leading in Top 10K Sites, Top 100K Sites, Top 1M Sites and The Entire Web.
In terms of market share, vBulletin 4.x is clearly lagging behind, losing to Vanilla Forums in all segments.
Vanilla Forums has better usage coverage in more websites categories. Including Food & Drink, Gambling, Lifestyle, Finance and 15 other categories.
vBulletin 4.x is leading in Computers Electronics & Technology, Games, Vehicles, News & Media and one other category.
Vanilla Forums is leading in most countries, including United States, Germany, United Kingdom, Canada and 81 other countries.
vBulletin 4.x is leading in Russia, Vietnam, Turkey, Poland and 37 other countries.