Got inspired by Michael Lebowitz and his blog post My Open Windows, so here comes my copy of open tabs and windows:

The GIT help pages.
Still have not read the” Given enough eyeballs, all bugs are shallow..” article sent to me by a colleague.
Twitter API Best Practices, great info.
The JS Test Driver Google Code page, download it now!.
Feature Injection over at Agile Journal.
Twelve emerging best practices for adding UX work to Agile development.
Projectplace

.. and the final list of open applications:
Google Chrome
Safari
Mail
iCal
iChat
Numbers
Coda
Tweetie
Spotify
Parallels