Twitterbook
Twitterbook is a mashup that lets you use your Facebook status to update your Twitter account. Download Twitterbook v3 (4KB)
Connect with the developer on Twitter at: twitter.com/designmeme
Filed under Facebook, Mashup |FireStatus
FireStatus is an experimental Firefox plugin that allows you to quickly send notes to Twitter, Facebook and FriendFeed. It also displays updates from these services in notification popups. If you wish to share a certain URL, just stand on the desirable webpage, open FireStatus, add a short note, and fire your status away. (via)
switchAbit
switchAbit is a service that lets you control where you content goes when routing it across multiple social services. This way, you can control content on a post-by-post basis. You post once and your content can go to multiple sites including Blogger, Facebook, flickr, jaiku, Tumblr, WordPress, and, of course, Twitter.
SocialToo
SocialToo works with both Facebook and Twitter to help you follow back those that follow you. You can also block those you don’t want to follow. For Twitter users, just enter in your Twitter username and password and SocialToo will begin to auto-follow your friends that add you. In the future, they will be adding other social networks to the service as well. The developer is @JesseStay on Twitter.
Twitxr - Twitter Clone for Pics
 Twitxr is a Twitter clone that lets you post pictures and short messages. Like Twitter, the messages are limited to 140 characters. The app can be linked to Facebook and Twitter, and it adds your location automatically with no GPS needed. But really, the service is all about photoblogging, just done with some Twitter-esque flair.
