Tagalus is a dictionary of hashtags. Users can contribute definitions, vote on definitions, and decide which best describes the given tag. In addition, you can send a message to @tagalus along with the word "define" followed by a hashtag in order to receive a definition via @reply


Tool Reviews

Reviewed on December 4, 2009

Seems useful to me. I like that it's got OpenID login.

Reviewed on October 21, 2009

Quite useful with a clean interface.

Doesn't offer OAuth, but at least OpenID means you don't need to feed it your Twitter password.