Hail fellow travellers!
I've just released version 1.0 of Ledger, an add-on that automatically keeps records of your income and expenses, so you know where your money goes and where it comes from!
Get it here:
http://www.esoui.com/downloads/info1172-Ledger.html
It's also available in German -- a fine contribution from a fellow developer!
Just wanted to share it with you guys, hope you all enjoy it!
Best of luck and have fun!