Wiki for users of product.

Full-featured tool with code-editing, testing, and refactoring support.

Support site for product. Web gateway to IntelliJ newsgroups and request tracker.

IDEA Mouse Gestures: plugin for enabling mouse gestures in IDE. TabReorder: allows to reorder editor tabs using mouse (drag and drop) or keyboard shortcuts.

IDEA plugin for sniffing and debugging network applications. [Freeware]