Portal servers in IT Market

Enterprise Platform Vendors:

1. SAP - SAP Enterprise Portal
2. Computer Associates - CleverPath Portal
3. Oracle - PeopleSoft Enterprise Portal

Application Server Portals - These products are extensions of Java application servers:

1. IBM - Websphere Portal Server
2. Sun - Sun Java System Portal Server
3. BEA - WebLogic Portal
4. Oracle - Oracle Portal

Pure-Play Providers:

1. Vignette - Vignette Application Portal (VAP)
2. Plumtree - Plumtree Corporate Portal

Departmental Portals:

1. Microsoft - SharePoint Portal Server

Specialty Portal Products:

1. ATG - Dynamo e-Business Platform
2. Broadvision - Broadvision Portal

Major Open Source Portals:

1. Apache Project - Jetspeed 2 Enterprise Portal
2. Zope - Plone