The new Oracle JDeveloper 11g (11.1.1.2) - Oracle's Free IDE - features a host of new features and enhancements including:
New JSF components - Carousel, spark charts, context info, more animation, new skins
Maven integration
Bugzilla integration through Oracle Team Productivity Center
REST Web services support
JSON editor
Code Editor enhancements - block tinting, annotation folding, code editor hovers, improved code templates
UML 2.2 support
Improved ADF binding for EJB (query, sort and paging)
Improved Database development now supports DB2 and SQL Server
UML Class diagram to Database transform
Eclipse key mapping
Declarative editors for WebLogic deployment descriptors
And many other features
For a complete list of new features see here:
http://www.oracle.com/technology/products/jdev/collateral/papers/11/newfeatures/index.html
Free Download :
http://www.oracle.com/technology/software/products/jdev/htdocs/soft11.html
For demos, tutorials, discussion forums and more:
http://www.oracle.com/technology/products/jdev/index.html