dap-scrob
URL: http://scrob.paulstead.com/
Allows the submission of .scrobbler.log files to the last.fm audioscrobbler service.

webbytools.co.uk
URL: http://webbytools.co.uk/
Allsorts of web based diagnostics for email, dns, connectivity and calculations.

myCacheStats
URL: http://apps.facebook.com/cachestats/
My first Facebook app. Still in development, please contact for Beta access.