Classifying major components of an Enterprise system.
Using a classification by friend Tarun Upadhyay as a starting point. This page tries to list only category killers or the components/pieces which I feel have a fair chance it making it there.
| Base Operating System/Kernel | Linux, FreeBSD, NetBSD, Darwin, OpenBSD |
| Authentication and Authorization,Single Sign On | OpenLDAP |
| File Services | Samba, NFS+NIS+AMD |
| Database | Postgres, mysql, SAPDB, |
| Sendmail | |
| Instant Messaging | Jabber |
| Application Servers | Tomcat, Apache |
| Content Management System | Drupal |
| Application Frameworks | LAMP,[LAMJ] |
| Collaboration and Project management | eGroupware, Kolab |
| Bug Tracking | Bugzilla |
Update: This page has not been updated for a long time.