Top Rated for PyCharm Educational Edition

MicroPython

Support for MicroPython devices in IntelliJ IDEA and PyCharm.

TabSwitch

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

Close Editor Tabs Left Right

IntelliJ plugin to close all open editor tabs to the left and right of your current one, includes actions, context menu and editor tabs items.

Docker integration

This plugin lets you download and build Docker images, create and start Docker containers, and carry out other related tasks.

Erlang

Erlang support for IntelliJ IDEA, RubyMine, WebStorm, etc.

Changelist Organizer

By 4ch1m
Automatically organizes your modified files by moving them into predefined changelists.

JLink

Right-click anywhere in the editor and click 'JLink' to create (and copy to clipboard) a sharable link directly to the desired location in the code.

Script Monkey

Script Monkey breaks the boundaries of Java and helps Java achieve the power & flexibilities of interpreted/dynamic languages.

RAML Plugin For IntelliJ

RAML Plugin For IntelliJ.