

Java, J2EE
Open source Java frameworks (e.g. Hibernate, Spring, , Struts, JSF, Blaze-DS)
Microsoft .Net
LAMP (Linux, Apache, MySQL, PhP)
Cold fusion
Adobe Flex
Various relational database systems (e.g. MS SQL Server, Oracle DBMS, MySQL)
Oracle PL/SQL
Informix 4GL
Redmine
Migration of legacy applications to web 2.0