Funnster - The best way to get together with your friends and family
HEY - Email at its best, new from Basecamp.
Circus - Fastest way to see who's going out and where they are going
Horde - Horde Groupware is a free, enterprise ready, browser based collaboration suite.
Gigstarter - Gigstarter uses crowd funding to take the pain from arranging events.
InstAddr - Disposable email address application.