Tune Tweeter

Tune Tweeter - posts what you’re playing on iTunes to Twitter. Note - see the ‘Requisite Public Service Announcement’ as the developer says this could generate mo’ Tweets than you bargained for.

tweetparty

tweetparty - group your friends and message them all in one go.

Twitter Psm Pusher

Twitter Psm Pusher - Windows Live Messenger extension. Automatically updates Twitter with your Windows Messenger personal status.

TwitterFresh

TwitterFresh -  view the Twitter web interface via TwitterFresh, set the number of minutes you would like it to refresh in and it will count down and automatically refresh the page for you.

TwitArcs

TwitArcs - “Enter a twitter ID with the leading ‘@’ or a word. Arcs are drawn on the left connecting people that are repeated and on the right for common repeated terms.” i.e. more crazy Twitter visuals.

Twitterlight

Twitterlight - Microsoft Silverlight Twitter client. Post to Twitter and view Tweets, replies, archive and public timeline. Couldn’t see a way to view direct messages. Does enable you to resize the display and zoom in on Tweets.

Twit Today

Twit Today - Twitter client for Windows mobile. Note that “this is a ‘Today screen‘ plugin - which means it is for the Today screen that you get on touchscreen devices.”

TwitterBash

TwitterBash - post your favourite Tweets to TwitterBash and they can be rated by others (votes are registered as Karma). Also provides code for you to embed Tweets.

Twitter Tag

Twitter Tag - generates automatic, updating Twitter images for your blogs/MySpace, etc. Badge includes your recent tweet, name, picture, update total and links to your recent tweet. Colours are customisable.

Twit4Live

Twit4Live - Windows Messenger Live extension. Lets you update your Twitter status, but also view Tweets.

Replize

Replize - simply way of checking your @ replies. Also picks up those that feature “@usename” elsewhere in the post (i.e. not at the start), but obviously leaves out those belonging to people with protected Tweets.

Twiffid

Twiffid - “automatically detects the feeds of the websites your Twitter friends have listed in their Twitter profiles and presents them to you in a Twitter-like format.” I think the idea is that this could, to a certain extent, replace your feed reader.

Roomatic

Roomatic - “Roomatic is a experiment to create a chatroom-like user interface on top of Twitter.” Uses Twitter Search (Summize) to search for Tweets containing the rooms name (this can also be a URL). Tweets are then displayed together and if you login you can ‘comment’ directly from Roomatic.

Glossy Twitter Icons

Glossy Twitter Icons - from AODdesign.

Twitspam

Twitspam - blog that highlights Twitter spammers and provides you with a quick link to block them.

Twitch

Twitch - Adobe Air Twitter client for Windows and Mac.

Easy Tweets

Easy Tweets - manage your multiple Twitter accounts, schedule Tweets for future posting and add RSS feeds for auto posting.

Twitter StreamGraphs

Twitter StreamGraphs - search for a term and the latest 200 Tweets containing that term will be displayed in a graph format. Search @username to display the latest Tweets from that user.

TwitterScript

TwitterScript - Greasemonkey script that puts a very small (and discrete) Twitter status box in the corner of your browser screen for you to update your Twitter status from.

tweetpaste

tweetpaste - spot a good Tweet and fancy embedding it in your blog/website? Enter the URL of the Tweet and Tweet Paste will generate some code for you to use. There is also a plugin available for WordPress.