PlaaSoft FormularManager lets you read and fill German tax forms
directly on your computer and send the forms via the Internet and Elster
to the German fiscal authorities.
PlaaSoft BankleitzahlenSuche lets you search for German bank
identification codes. You can search for subsidiaries, bank
codes, and cities.
An Eclipse plugin which provides a Vim-like input scheme for text editors.
A Magento extension that adds Google Maps for your stores.