Twitter Patterns is a website dedicated to free background images for Twitter.

Twtpoll is a website which creates Twitter polls and surveys for free. There is an upgrade option, but the free options should suffice most casual users.

Nambu is a new Mac OS X only Twitter client, with a host of new features and clean Mac interface. It seeks to combine the best features of Tweetdeck and Twhirl, and does a good job at that.

Twitter is gaining in popularity, but their own website seems to be a sore point. Below is a collection of Greasemonkey scripts to bring useful features to Twitter website.

CNN has a Twitter account that is updated with the latest news. Following it is a good way to get breaking news.

Greasemonkey script Troys Twitter Script adds several much-requested features to Twitter web interface. Retweet links, autocomplete usernames, add autopagination etc.

Tweetpkr is a powerful bookmarklet that brings Twitter to your browser, in a beautiful sidebar. Tweetpkr is software and platform-independent, so you can use Twitter easily anywhere.

Destroy Twitter is yet another Adobe AIR-based Twitter client, like Twhirl, Tweetdeck etc. It has a clean single column, similar to Twhirl.

The single most significant feature of DestroyTwitter is seamless browsing of profiles from within the application. Some other Twitter apps load the profile in your browser, but DestroyTwitter shows you profiles within upon clicking [...]