Enterprise Content Management Solution (ECM) Providers

At present there are various vendors who provide Content Management solutions to their clients.

Here is a list :

IBM
IBM Content Management

Vignette (Open Text)
http://www.vignette.com/us/Solutions/Web-Content-Management

Documentum

http://www.emc.com/domains/documentum/index.htm

HummingBird

Newgen
http://www.newgensoft.com/in/en/enterprise_content_management

LiveLink
http://www.opentext.com/2/sol-products/sol-pro-llecm10.htm

Microsoft Share Point
http://sharepoint.microsoft.com/en-us/Pages/default.aspx

Alfresco Content Management
http://www.alfresco.com/


There are many more which can be added into list but these are the ones which I have heard about the most.