Smilie Hide Hack
Allows administrators to hide specific smilie icons from the selection area in posts and PMs. The smilie can still be used by typing the smilie code directly in the post or PM.

Group Members by Character
Adds a line of characters on top of the memberlist when viewing the group members.

View Banlist Content
Shows the content from the banlist table and includes a delete link after each row, allowing you to remove bans that are currently in place.

UploadPic
Allows users to add an image link through the posting box and then the picture will be uploaded and displayed in the topic.

Admin Panel for Junior Admins and Mods
Allows you to define restricted access for junior admins and moderators to your admin control panel.

Sudoku
Version of the popular numbers puzzle that can be played on your phpBB.

Social Bookmarking Buttons
Adds in each thread a series of buttons for all of the major social bookmarking sites including Digg, Reddit, Furl and others.

Remove Forum Moderators
Removes the display of forum moderators under each forum on the index.

Admin Notepad
Creates a new page in the admin control panel that contains an admin notepad where an administrator can write things down and save them for later viewing.

Wiki URL Fix
Fixes URLs like http://en.wikipedia.org/wiki/Kim_Possible_(character) which are normally broken by phpBB.

deviantART Profile Hack
Adds a new field to user profiles where users can enter their deviantART profile.

Advanced BBCode Box (IM Portal)
Allows you to more easily add YouTube, Google Videos, etc. to your IM Portal pages. It replaces the default blocks editor with the Advanced BBCode Box.

Auto Group
Allows you to make it so that a user can be added to a group based upon their post count.

Confirmation Topic
This hack blocks the access for defined forums until the user will confirm one special topic.

View Your Own Profile
This hack allows you to view your own profile.

phpBB 2.x Shoutbox
Simple PHP and AJAX shoutbox script that is fully integrated with the phpBB system.

A Quiz
Forum game, in which a user periodically receives a questions and they need to choose the right answer from four variants.

Spaced Categories on Index
Seperates the categories from each other on the index page.

GooglePuller
Creates pages with 100 links to posts on your community with the aim of helping search engines to spider your content.

derefer.me Hack
Makes it so that all user posted external hyperlinks, with or without URL BBcode tags, are through an external link redirection service, in order to mask the referrer.