| Proprietary | Open Source |
| Web browser | |
| Microsoft Internet Explorer, Netscape | Mozilla (based on Netscape) |
| Web server | |
| Microsoft IIS, Netscape | Apache (60 percent of all websites run it) |
| Application server | |
| WebMethods (includes opensource JBoss application) | JBoss (2 million downloads in 2002); Apache Tomcat (most WebSphere widely used application server) |
| Office suite | |
| Microsoft Office, Corel WordPerfect Office | OpenOffice.org (based on Sun’s proprietary StarOffice) |
| E-mail/collaboration | |
| Microsoft Exchange, Lotus Notes | Ximian Evolution |
|
Database
Oracle9i, IBM DB2, currentlyMicrosoft SQL Server Trial |
MySQL, PostgreSQL (both lack the power and depth of industrial-strength Oracle and DB2) |
News
