http://haruska.com/2009/09/29/remote-pair-programming-with-screen-and-vim/
Couple of simple commands to setup shared terminal sessions with screen. Neat. Requires some permission changes on some hosts. Awesome for paired programming.
http://www.iblocklist.com/lists.php
A blocklist provider that gives access to a whole range of blocklists in one place. Very useful for transnmission, etc.
http://www.findhorn.org/index.php?tz=240
Apparently semi-communal eco-village type community in Scotland. Worth researching.