1. Google Holiday Logos: An archive of all special occasion Google logos celebrating holidays, birthdays and other events. The archive dates all the way back to 1998. There is even an RSS feed that will keep you updated.
2. 15 best Google easter eggs: A nice round up of hidden jokes in Google services.
4. Engrade: A free set of web-based tools for educators allowing them to manage their classes online while providing parents and students with 24/7 real-time online class information.
5. Circle Split: One of the coolest SWF I have ever seen. It’s not a game but strangely addicting. I can’t resist splitting the circles.