HippityPip - Teach phone numbers to kids
Mailo - Mailo is an email client where you can send and receive emails to and from anyone with an email address.
Allowcation - Simple allowance and financial allocation tracking for kids
HEY - Email at its best, new from Basecamp.
Battle of the Brands - Compare the online awareness of 2 brands in a battle
Horde - Horde Groupware is a free, enterprise ready, browser based collaboration suite.