Top Rated for DataGrip

Elm language plugin

Plugin for Elm language support.

Frame Switcher

Plugin for more convenient switching between projects/frames/windows than is alt-tab or Window menu.

Autoscroll Save

At last, a handy way to save your Autoscroll to/from Source settings :).

RegexpTester

Regular Expression Tester for IntelliJ IDEA.

Run Configuration as Action

Register all run configuration as actions.

Wrap to Column

Wraps text to the specified column width.

JetForcer | The Smartest Force.com IDE

JetForcer is the smartest Force.com IDE for handy Salesforce development with JetBrains IDEs.

Latte

Provides support for Latte – a template engine for PHP.

LivePlugin

This is a plugin for IntelliJ IDEs to write plugins at runtime without having to restart IDE.

IDEA Jetty Runner

A plugin that allows you to quickly run Jetty from IntelliJ IDEA.