Restrict the content of posts from guest view in all forums except the ones you choose to keep public. Guests will still be able to see these boards and the thread listing within them but when they open the thread it will give them an error.

This plugin will restrict Super Administrators to changing members usergroup.

Star Wars Galaxies Authentication for MyBB

Logs all no permission errors. They can be viewed in Admin CP under Tools & Maintenance

Require users to certify their age via a form check stored as a cookie; similar to Jcink's age verification process.

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).

RT Disposable Mails is a plugin which checks an external API to retrieve filtered spam mails and saves them into cache. Then check based on settings if user can login/register

Protect an account and private messages using GnuPG encryption.

MyBB 1.8 Plugin to add a privacy policy agreement checkbox into form on contact page.

This plugin validates and block unwanted emails from signing up using MailboxValidator API service.

Provides logs to group leaders about their own group.

This plugin allows you to make your forum closed only to invited users

Provides Additional Database Methods

Define how many posts users are allowed to write in groups.

Hide administrator's location from the Who Is Online (WOL) list.

Allows leaders to blacklist users from their group so they can no longer apply.

Allows administrators to provide a limited test account when requesting support.

Requires a password to enter the Mod CP.

RT Extended Cache is a plugin that extends the native MyBB cache handler with additional functionalities to simplify the work of both users and developers.

Moderate your forum automatically whilst you're offline.