Thingler – simple and fast way to create a todo list. very nice and sleek design too.

Mockingbird – create website wireframes. Only one drawback: after it comes out of the beta stage, it will cost.

Cacoo – another wireframe creator, free this time. best I could find out there.

Was it Up? – monitors your site and sends an email if it goes down. another email when it’s back up.

Pick&Zip – tool for downloading whole facebook albums.

Wakoopa – software tracking