Top Rated for MPS

RegexpTester

Regular Expression Tester for IntelliJ IDEA.

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 :).

Elm language plugin

Plugin for Elm language support.

Run Configuration as Action

Register all run configuration as actions.

Wrap to Column

Wraps text to the specified column width.

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.

Scroll From Source

Set the keyboard shortcut to the function of "Scroll From Source" in Project Panel.