Viewtopic Birthday is a nice little modification for phpBB 3 which displays a birthday cake in viewtopic if the user has birthday. It is easy to install and to use.

phpBB3 Error Logging Tool logs errors and warnings in a Custom Error Log, so you can turn off the DEBUG/DEBUG EXTRA for your users and find all errors in the error log. This makes debugging possible after you go live. It is also a great tool for MOD and Style Authors when developing and testing MODs for ease of debugging. It includes the ability to log possible Template bugs.

Welcome PM on First Login is a phpBB 3 mod which allows you to create messages and send them to newly registered users. The new users will receive these Welcome messages at their first login.

Evil Quick Reply is a great security mod for phpBB 3. It adds a hidden quick reply form to the bottom of the viewtopic page. A "Quick reply" image is displayed next to "Post reply" and shows the quick reply form when clicked.

Quick reply for phpBB3 enables you to add quick post forms at viewforum, as well as quick reply forms at viewtopic. It allows quick quoting of selected text and quick nick insertion at viewtopic. It is an easy to use and fully customizable mod for phpBB.

With ACP Add User MOD the phpBB Administrator is able to create new user accounts through the Administration Control Panel and to instantly approve a new member after creation.