ChirpCity is a new Twitter custom search service, that shows the latest tweets from and about a city. (more…)

TweetoClock let’s you find out what’s the best day and time to tweet someone on Twitter! (more…)

FlockOTweets is a very simple service that groups your followers into easily digestible RSS chunks. Basically, you enter the Twitter usernames (separated by comma), and click on Get RSS Feed or Daily Digest.

Twitoria finds your friends that haven’t tweeted in a long time so you can give them the boot! (more…)

Twe2 is a free Twitter SMS alerts service for people living outside the US. The service is straight forward; you create an account, add your mobile number, and start receiving your Twitter Direct Messages and @Replies by SMS. (more…)

Free Twitter Designer is a new and a very cool website that allows you to personalize your Twitter background, making it look like it was done by a professional designer. (more…)

Song.ly Share & Discover Music on Twitter!
Submit a link to an mp3 file you’ve found on the Web. Your followers will get a short link to a page allowing them to play the song right in the browser without having to download it first.

Tweetworks is designed to make micro-blogging more useful for people and businesses. (more…)

twitTangle is a free service that helps you untangle the mess of having too many friends on twitter. (more…)

Twitag is a hashtag finder for twitter. Twitag goal is to facilitate and organize the most recent content tagged by users. (more…)