Top Rated for IntelliJ IDEA Community Edition

SQLScout (SQLite Support)

First-class SQLite support for Android Studio and IntelliJ IDEA.

Advanced Java Folding

Modern JVM languages such as Kotlin, Groovy, Scala and some others offer many language features that let you write code in a more concise and expressive manner.

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.

Scroll From Source

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

Gerrit

Gerrit Code Review Tool Integration Only Gerrit 2.6 or newer is supported (missing / incomplete REST API in older versions) Features.

Perl

Camelcade plugin provides support for the following languages and frameworks.