Top Rated for IntelliJ IDEA Community Edition

WicketForge

WicketForge assists developers creating Wicket applications.

Protobuf Support

Google Protobuf support for JetBrains products.

Scratch

By syl
Quickly opens temporary IntelliJ text editor tab.

VisualVM Launcher

By meo
Launches VisualVM from within IDEA.

TabSwitch

Open files/tabs switcher to quickly switch between tabs with less keystrokes than Recent Files.

Rearranger

Rearranges (reorders) class and class member declarations according to a user-specified order and/or method call hierarchy; generates section-marking comments; ...

Database Navigator

Database development, scripting and navigation tool.

PsiViewer

A Program Structure Interface (PSI) tree viewer.

Lombok Plugin

IntelliJ Lombok plugin.