Twizzle

Twizzle - the only free Twitter client for your iPhone with multiple account support, landscape tweeting, in-app web browsing, threaded conversations, and absolutely zero ads

mov.io

"mov.io is your place to capture and share your life on video. Deeply integrated with our friends at #Twitter and fully mobile on your iPhone 3G and 3GS"

jotabl

jotabl - your #Twitter shoutbox. A visitor can leave a comment in one of two ways:

* Post a tweet - By simply including the URL to your shoutbox in their tweet, the message is shown in near real-time.
* Directly from shoutbox - Your visitor can sign in via Twitter to add their message, and even have it tweeted for them

FreeTweetGraphics.com

FreeTweetGraphics.com - Twitter Backgrounds, Twitter Layouts, & More

TwitCritics

TwitCritics brings you real-time movie reviews and ratings directly from the Twiterverse. RSS Feed

Tweet My Song

Tweet My Song - musicans and artists can promote their music to millions for free

Twisell

"Twisell is a service which allows users to share their ads on #twitter easy and fast. You can use this service only with a twitter account

Tweetiez Toolbar

Tweetiez Toolbar is a small add-on which enables you to tweet to your #twitter account directly from your browser without the need to access Twitter.com

LocaFollow

LocaFollow - locate and follow #twitter users searching in their bio and location fields

Twitter Background Base

"Twitter Backgrounds Base is one of the largest collection of unique, interesting and free Twitter backgrounds submitted and recommended by designers and by different Twitter users"

Lufthansa MySkyStatus

"While you're in the air, MySkyStatus sends altitude, location, departure and arrival updates automatically to your Facebook and #Twitter pages. It's travel made social and it's easy to set up"

Twitteryam

Twitteryam - how much is your #Twitter worth?

Twookie

Twookie - sports lines on #Twitter

TwiDrink

TwiDrink - invite your friends and send them drinks

CouponFollow

CouponFollow analyzes coupon codes that have been tweeted by #Twitter users in real-time, and indexes them in an organized fashion for bargain shoppers to use

Tweerank

Tweerank is the definitive way to measure how engaging/influential you are on #Twitter

VerseURL

VerseURL is a free service for posting Bible verses on #Twitter and Facebook

twootweet

twootweet - a simple shopping cart for your Twitter account

Tweetvite

Tweetvite makes it easy to create invitations for events you're hosting or to find local Tweetups in your area

Quertweet

Quertweet - a #Twitter user directory

Twitglry

Twitglry - #Twitter apps directory

Free PowerPoint Twitter Tools

"A beta version of PowerPoint #Twitter Tools is now available for testing. These flash-based tools built with SAP BusinessObjects Xcelsius technology allow PowerPoint presenters to see and react to tweets in real-time, embedded directly within their presentations, either as a ticker or refreshable comment page"

Discus.me

"Discus.me is the world's first-ever #Twitter Chain Membership System. All you have to do is sign-up at Discus.me with your Twitter ID and you will automatically start following some of our current members then anyone who will join Discus.me after you will follow you. There is no limitation on how much followers you will get"

Twitter launches #appwednesday

"Help uncover all the awesome #Twitter apps out there on #appwednesday. We'll kick it off with a few @trendsmap @seesmic @tweetmeme - you rock!" - Twitter. RSS feed for #appwednesday

TweepSync

"One of the most important elements of #Twitter is the conversation you have with your friends, and the only way to improve that is to ensure that you only follow those who follow you back. TweepSync helps you do that by showing you everyone that you follow that does not follow you in return, and giving you the option to unfollow (or even bulk unfollow) them"

AggreTweet

AggreTweet is an application powered by Aggregame.com which provides a robust, real-time tracker for all gaming chatter happening on #Twitter

ul.timate.info

ul.timate.info is a Mozilla Firefox Add-on that aims to simplify the way people interact with social network sites including #Twitter, Facebook, MySpace and FriendFeed

Twitsumé

Twitsumé allows anyone with a #Twitter account to connect and create an online résumé/CV (or "Twitsumé") for all registered Twitsumé.com users to see

twibble

"twibble for the desktop is a feature rich multi-account microblogging client for #twitter, identi.ca, corporate and private laconi.ca instances. For Linux, Mac, and Windows"

Pulseni

"On #Twitter people share millions of links, and most of the time these links are given at the end of a tweet with little actual explanation of what is being linked to. Pulseni takes these links and then brings them into context with a title and description of the page"

Utwitbook

Utwitbook - find people on #Twitter

Twisst

"Would you like to know what the next time is the International Space Station will fly over? Then head over to Twitter and start following @twisst. Twisst will send you an alert each time you will be able to see ISS pass at your location. The alerts are highly personalized, as Twisst uses the location you entered in your Twitter bio, either as text or as coordinates"

twitwho

twitwho is a #Twitter directory that helps you to find new Twitter users to follow. You can also create custom group of friends, colleagues or family members

TweetHook

"TweetHook makes receiving #Twitter Search data simple and automatic. Using the power of webhooks, setting up a continuous search on Twitter is a snap. Enter your query, enter your webhook URL, sit back and enjoy the data"

Twitzee

Twitzee allows you to send out tweet messages without using your own #Twitter account

Hashwork

"Hashwork shares your tweets with your company's community, and lets you attach files, images, and more text to your posts on #Twitter"

Taweet

"Taweet (beta) is a free Twitter application that allows people and businesses to streamline promotional scheduling for events, product launches, lifecasting and more! Unlike Twitter scheduling applications you may have seen before, Taweet is focused on promoting the topics of your Future Tweets (FT) up until they occur to create buzz or to share with friends"

Brizzly

Brizzly - create different groups and visualize the trending topics on #Twitter

Swift.fm

Swift.FM - Create a custom radio station programmed by your friends using #Twitter