IBM Websphere Portal Server
1,187 websites

IBM Websphere Portal Server costs money

http://www-03.ibm.com/software/products/en/portalserver

IBM WebSphere Portal Server is the foundation offering of the WebSphere Portal product family, with enterprise portal capabilities that enable consolidation of applications and content into role-based applications, complete with search, per...

VS

vBulletin
7,250 websites

vBulletin 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 vBulletin is leading in Top 10K Sites, Top 100K Sites, Top 1M Sites and The Entire Web.

2 In terms of market share, IBM Websphere Portal Server is clearly lagging behind, losing to vBulletin in all segments.

Websites Categories

1 vBulletin has better usage coverage in more websites categories. Including Computers Electronics & Technology, Vehicles, Games, Arts & Entertainment and 17 other categories.

2 IBM Websphere Portal Server is leading in Finance, Law & Government and Jobs & Career.

Geography

1 vBulletin is leading in most countries, including United States, Russia, Germany, United Kingdom and 115 other countries.

2 IBM Websphere Portal Server is leading in China, Japan, South Korea, Bahamas and 2 other countries.