• 140it – Makes Your Tweet Less Than 140 Characters
• Tweetcontd – More than 140 characters
• Twonvert – Convert your tweets to 140 characters or less
• Twitlonger – When 140 characters just isn’t enough
• Tweetshrink – Helping shave those few extra letters off a tweet that has exceeded the 140 character maximum
• TwitBlogs – Allows you to add more words and also upload pictures and videos
• Twerbose – Post longer tweets on Twitter
• Tweet140 – The closer to a 140 character average, the better your score
• RTweeter – TweetLonger than 140 characters, shorten URLs, share your location

Ads

• Twittertise – Advertise on Twitter
• Twitterad – Monetize your twitter profile
• TwitterCard – Place a 125×125 TwitterCard on your Blog or as an Advertisement
• Twitterribbons – Twitter Ribbon Ad generator
• TwitterKnowHow – Twitter ribbon ad generator
• BeaMagpie – Be a Magpie is an ad network for Twitter
• TweetTornado – Fully automated advertising software
• FeaturedUsers – FeaturedUsers is a Twitter application ad network

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