A plugin that allows you to add wrappers to your messages.

Allow users to paste Media Info in posts using a tag that renders gracefully.

Hide content within a spoiler tag.

RT Camo Proxy is a plugin which camouflages images inside posts and prevent 3rd-party image hosting obtaining visitors IP addresses. Instead your server will get image and serve it directly (and ask browser to cache it).

autocomplete for smilies

Advanced MyCode to embed a SoundCloud track/set.

Adds in a nestable [spoiler] to your MyBB forum.

This plugin adds the capability to show a steam game widget into your boards posts.

Table MyCode Generator

This plugin add "MyCode buttons in Quick reply".

Forget MyCode-- take control of YourCode a much better way of handling BB Code for MyBB forums.