You can discuss IntelliJ IDEA with its developers and with other users on our forums. The forums are also mirrored as newsgroups if you prefer reading them from an NNTP reader.
You can submit bug reports through our issue tracker. Please take note of the Working with issue tracker guidelines.
Sample projects for different frameworks and technologies
Please see the PluginDevelopment page.
Third-Party Software Used by IntelliJ IDEA