Spiggler – Tweets on the Streets
-Plots tweets with location information on a map
-Supports twitter, facebook and foursquare
- GrabInbox – easily manage, post and schedule to multiple twitter and facebook accounts
- BackAtYou – helps you create and manage social media campaigns
- HashtagBattle – find out which hashtag is more famous
- Famous on Twitter – see what the stars are tweeting
- Tweriod tells you the best time to post your tweets
- DevChirp – discover smart people in the software industry
- Twitume – Share your resume on Twitter
- Twitario – See your tweets in a diary
- LikeMyTweets – Like button for twitter
- PavoMe – multimedia client for Twitter
- Tweepi – a cool bulk follow and unfollow twitter tool - 55 votes
- Twitter Karma – unfollow twitter users who do not follow you - 50 votes
- TwitIn – bulk follow and unfollow twitter users - 43 votes
- Refollow – a twitter relationship manager - 34 votes
- AutoTweeter – Desktop twitter application for automatic tweets - 32 votes
- Trottr – The Twitter of Voice Messages - 23 votes
- TwitWoop – send voice messages via phone to twitter - 17 votes
- Snaptu – best free twitter mobile application - 17 votes
- TwiPing – twitter desktop software for bulk follow/unfollow - 16 votes
- Filttr – making sense of twitter - 15 votes
- RSS2Twitter – publish content from RSS to twitter
- TweetCC – license your tweets with Creative Commons
- Portwiture – your twitter status, in photos
- Twenglish – the new twitter english
- Reduncery – Are you a useless twitterer?
- Tweet What You Eat – your twitter food diary
- Twibbon – easiest way to promote your cause on twitter
- TwitterSnooze – temporarily unfollow twitter users
- TwitPickr – upload TwitPic images to Flickr
- Topsy – social web powered search engine, the next Google?