iPlanner - (Ian's Planner)
Iplanner is a web based planner/addressbook/calendar/etc application.
It is written in PHP and MySQL and is released under the GNU/GPL license.
iPlanner is currently in alpha development, but you can download the latest code release here.
You can do that and more here.
Coming soon...
More information and code will be added shortly, until then feel free to contact me at idreamincode@yahoo.com.
Or go here.