Twitterless

Twitterless tells you who stops following you and graphs your follower history over time, making this info available in a variety of useful views. Follow @tless to sign up.

Twitter + Yahoo Pipes

Via Conversations: How to create a Yahoo Pipe of your friends’ tweets that contain URLs: 

Here are the steps once you create your Yahoo or Pipes account:

1. Go to your Twitter home page and grab the RSS feed.  If you have trouble finding it, it’s at the bottom lower left of the page and looks something like this: http://twitter.com/statuses/friends_timeline/915051.rss
2. Go to this Yahoo Pipes page and "clone" the pipe. You’ll find the "clone" button center-screen, just above RSS feed icon.
3. Click on "edit source", which gives you a screen like this:
   
4. Replace the Twitter feed in the clone with your own (see step 1). Save (upper right of the Pipes screen) and publish.
5. Grab the RSS feed and subscribe in whatever aggregator you use.

Twittertise

Twittertise allows you to advertise on Twitter and track the success of branded communications with your customers.

Using Twittertise you can schedule your communications on Twitter and using URL tracking technology measure the effectiveness of your traffic driving techniques on the platform.

Twittertise Overview from whalewisdom on Vimeo.

Twidge

Twidge is a tool for interacting with microblogging sites such as Twitter and identi.ca.

Twidge is a full command-line client. It is designed to be useful when you’re sitting at a shell prompt. It’s also designed to work well with the Unix/POSIX/Linux shell scripting environment. It produces output in well-formed and easily-parsed ways, and has various features for working with piped data.

It can be used to:

• Simply update your own status and following your friends
• Setting status based on system events
• Receiving status updates via email, and sending your friends and your replies to email
• Scheduling status updates for the future

Tweader

Tweader is a new way to view twitter conversations. Long gone are the days of going through all of a tweet’s @replies to get a grasp of the conversation. All you have to do now is enter the tweet’s ID below and have it all done for you.

Connect the Tweets

Connect the Tweets collects the top trending items on Twitter and attempts to put them into perspective and context. What is this and why is it trending? These are then posted on the site or more conveniently, distributed back out via Twitter by @cttweets. (via)

Plodt

Chart Your Life: Use Twitter to track and rate the things that matter to you.

Example: Review restaurants, Follow your moods, keep track of workouts, rank the shows you watch, track the election…

DivVoted

DivVoted lets you vote for your favorite sites with Twitter. Great for showing off your latest designs, or checking out other peoples votes for inspiration

    * today
    * this week
    * all time

To use, follow @divvoted with Twitter, and then post your votes like this: @divvoted http://mysite.com I love this site because it is great!

Tweetrush

Tweetrush is a service based on a new analytics engine called Rush Hour which aims to provide estimated stats on Twitter usage over a period of time. Instead of looking at page view and clicks, Rush Hour looks at actions and events. These can be located anywhere in the logic that drives any web application. Rush Hour to analyzes the tweet or message sending action of public messages sent via twitter. These come from various sources like the Twitter website and the many Twitter API applications. As Rush Hour is still under active development, it is under closed beta. However you can find our more information or sign up for further beta testing at rushhouranalytics.com

Tweetbots

Tweetbots is a service that automatically re-sends people’s tweets automatically (re-tweets). The tagline reads “stalk, track, auto-follow, re-tweet, feed-tweet.” Whoa! Sounds spammy!