Light weight, java based SQL editor
Tadpoll is a lightweight replacement for TOAD. Supports multiple connections with tabbed UI. The editor is java based. For more details and downloads, go to sourceforge page.

One Click URL shortner for firefox
A firefox extension to create short urls using bit.ly. To install extension, click here. Head to the firefox add-on page to know more. To grab the source and to get involved, go to github.