Prime Login via E-Mail
Lets a user login with either their username or e-mail address.

Prime Instant Redirect
Instantly redirects the user when they would normally be presented with a notification page that automatically redirects after three seconds.

Prime Ban to Group
Automatically moves users into a special group when they are banned, allowing you to visually indicate bans through the use of group attributes.

Admin Easy User Delete
Shows an icon next to the username on the memberlist, view profile and view topic pages, allowing the administrator to quickly delete a user without having to go to the ACP

Crazy Maths CAPTCHA Plugin
CAPTCHA plugin that uses mimeTeX to render mathematical questions.

Prime Censor Block
Prevents the submission of a form when a post, private message or profile field (custom or otherwise) contains text that would ordinarily be censored by phpBB's word censor feature.

Colorized Unread Links
Colorizes the unread forum, topic, search result, private message and moderator control panel links.

Instant Post Redirect
Redirects instantly after posting a message instead of using meta redirection.

GitHub Profile Link
Allows members to link to their GitHub profile from their profile on your phpBB, including the memberlist and view topic.

User Blog Hack
Adds blogs to your phpBB 3 forum.

Prime Post Revisions
Stores each revision of a post every time a post is edited, making these revisions viewable to those users who have the necessary permissions.

Facebook Comment System Integration
Integrate the Facebook Comments plugin by offering a Facebook comment box on your phpBB threads.

Require Contact Information from New Members
Adds 5 new fields to user registration page for the member's real name, street address, city, state and postal code, viewable only to administrators.

Bubblecast Video Integration Hack
Brings video capabilities to your phpBB. You can upload, record and embed your own video or YouTube video into your posts with a couple of clicks.

IP Permissions on Logs
Applies the effects of moderator permissions for viewing post details to IP addresses displayed with log entries.

Search by Time
Adds a quick search for all recent posts within predetermined time frames.

Ultimate Points System
Adds a points system to your forums.

ACP Site Announcement Center
Adds a site announcement box to the top of your forums that can be edited easily in the admin panel. You can preview it before posting and BBCode and smilies are supported.

Personal Notes
Gives users their own notebook feature on your phpBB.

Meeting Hack
Allows you to manage meetings for all users or usergroups on your phpBB.