"tr.im is an URL shortening service to prepare long URLs for use with status updates in social networks like Twitter or Identi.ca.

tr.im is better than the alternatives because it is designed, via our tr.im bookmar ...

"We love Twitter. We hate when it's down. If you're addicted to Twitter as well, tweet your heart out through Twiddict and avoid life-changing withdrawal symptoms during Twitter downtime. We'll make sure your tweets end ...

"Twitlet is a bookmarklet (very small javascript application living on your browser) for fast updating your Twitter status."

"TwitterGadget is a clean, robust, web 2.0 style client for Twitter.com, designed to eliminate the need to install third-party applications to monitor and submit status updates to Twitter via your iGoogle homepage.

...

"twitter + i-Lighter = twitterlights

It's this easy:
Click 'Start i-Lighting' If you find something you want to send to your Twitter followers send it through i-Lighter. On any web page you are reading, ...

"When its too long to tweet, but too short to blog, just TwitWall it! TwitWall is the easy-to-use, quick-to-blast-out blog companion for Twitter.

With TwitWall, you can embed your favorite videos and widgets, uploa ...