Top Rated for PyCharm Professional

Erlang

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

FridayMario

The first plugin in the world to gamify development in IntelliJ IDEs.

Window Decorate Mode Switcher

Hide title menu for windows.

UIkit

UIkit live templates / snippets.

Changelist Organizer

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

BinEd - Binary/Hexadecimal Editor

Binary/hexadecimal editor plugin based on BinEd binary editor.

Pebble

Support for the Pebble templating engine.

PowerShell

Provides PowerShell intellisense and script execution support for IntelliJ IDEs.

HighlightBracketPair

Color highlight the Bracket Pair in editor. Inspired by Sublime BracketHighlighter Plugin.

Multiple File Kotlin Converter

This IntelliJ IDEA plugin runs the native Convert Java File To Kotlin File action on multiple files.