Platforms

• Java EE (J2EE) 
• .Net 

Operating Systems

• Microsoft Windows
• Unix/POSIX/Linux
• Enterprise (Solaris, AIX)
• Embedded (Maemo)
• Real-time (QNX)

Programming Languages

• C#
• Java
• Delphi
• C/C++

Database Servers

• MS SQL
• Oracle
• My SQL

Mobile Platforms

• Windows Mobile,  PalmOS
• Java ME (J2ME), Symbian OS