jtwt.js is an easy-to-use jQuery plugin that allows you to display your recent tweets on your website or elsewhere.
Twitterwall is a jQuery plugin that allows to build your very own twitterwall with pure javascript! A twitter wall is nothing else then a collection of tweets to a specific "hashtag". Automatically from time to time the plugin refresehes the screen and adds the new tweets found to the tag.
Tweed is a jQuery plugin for displaying a simple feed of recent tweets.