The secret startup Guy Kawasaki has been working on will be called Truemors, a source tells us. The site is currently password protected, but Kawasaki has recently posted on his blog saying he’s looking for “people who are in the flow of interesting and true rumors.”

The service will be a “rumor reporting bulletin board with twitter-like capabilities.” Look for a launch later this month.

A screen grab of a cached version of the site (more here):