Maximize your Twitter layout for visual appeal and effectiveness.

Quickly upload, post and track views of your resume, on Twitter.

Comment on any website without needing the author's permission. Kutano is a Twitter app that sits alongside the web page you're viewing, allowing you to start and respond to discussions about that page.

Still trying to figure out what Twitter does for businesses? Looking for case studies? It's all here.

Create ready-to-tweet screencasts with this free web-based recorder for your Twitter feed. These screencasts even play on iPhones!

Are you an account or brand manager in charge of multiple Twitter accounts? Splitweet allows you to track and respond to all of your accounts from one location.

Register your mobile phone number and send messages to Twitter using voice.

In spite of what people say, it is ok to tweet about what you ate for lunch, as long as you include a picture.

Microsoft search engine Bing has created a Twitter application that fuses Bing search results with the latest tweets, allowing you to see deeper, real-time information about the top-ranking trends on Twitter.

Stay up to speed on tweets from the top 100-rated Technorati bloggers and other highly acclaimed voices on the web.

Looking for a slew of twitter applications you never knew you always wanted? Browse by application, profile and more.

Twitter has a "delete" feature that allows you to nix those comments you never meant the world to see. Now Tom Scott has an application that allows folks to recover deleted public tweets and bring back the shame. Note the declared usage for the "Good" and "Evil" modes.

Where should you host the next tweet-up? Do you like my new hair cut? Poll your followers on Twitter using a simple survey application.

TwitterHawk sets up your searches, responds to your followers through auto-replies, and documents your campaign success on a dashboard!

Checking out a cool website that you want to share with your friends on Twitter? TBuzz allows you to tweet about the page you’re visiting or keep track of the buzz about it on Twitter.

Looking for the who’s who of Twitter? TwitterCounter tracks millions of users—and the most popular ones—on a daily basis.

Businessweek features "50 CEOs who use twitter".

Stay up-to-date on all things space related when you follow @astro_127 and @astro_mike on twitter.

With so many people on twitter lately, who should you follow and who's following you? FriendorFollow fills you in.

Some people just love rejection. Now you can too. Qwitter emails you every time someone on your twitter list stops following you along with a copy of that post of yours that lead to the ultimate break-up.

With so many people and organizations using twitter, who should you follow? Twellow helps you search by niche so you get all of the information—and followers—you need.

Get Inspired. Check out "100 designers you should follow on Twitter:"

Tweetsgiving: A Twitter social experiment designed to demonstrate the power of the social web by raising $10,000 in 48 hours to build a classroom in Tanzania.

Want to stay on top of Twitter's hottest topics? Hop on over to TwitScoop:

Get Inspired. Check out “100 designers you should follow on Twitter:”

Need cash for the holidays? Magpie, an advertising network for Twitter, allows you to sell select recommendations to your network of trusted peers. (Tweeters beware, backlash is a’brewin.)

Tweetsgiving: A Twitter social experiment designed to demonstrate the power of the social web by raising $10,000 in 48 hours to build a classroom in Tanzania.

Shopping just became a little less stressful in upstate New York. The news website www.syracuse.com will be posting a live Twitter feed alerting shoppers to the best bargains, worst lines and items remaining in stock.

Stay on top of your online networking by setting up an account at Ping.fm. Update up to 30 different social networking sites simultaneously including facebook, LinkedIn, Twitter and del.icio.us. You can post via your mobile phone, PC or Mac.

Snow is 20% more “buzzed about” than Santa on twitter. Find out what the most commonly used holiday terms on twitter are, or compare your own words, with the Finn Digital Cheer-O-Meter. Our application allows you to update your twitter profile with the results too.

Robert Scoble of FastCompany.TV shares insight about how companies like Tumblr, twitter, and others plan on monetizing their applications.

How powerful and connected is your twitter profile? Find out with TwitterGrader.

Extend your twitter conversations to others around the world. A new free service called Twitrans translates your message into a variety of languages in a matter of minutes.

Twitter Blaster is a twitter promotional tool that brings viral traffic to your website. In an effort to avoid getting overly wordy here, we’ll just advise you to go read the information and see a demo for yourself on their site—it’s cool.

Sure, you can search for businesses and apps on twitter by name, but sometimes you don’t know what you want until you see it. A new twitter tool solves that dilemma by creating a directory of businesses, apps and resources.

The Milwaukee Police have jumped on the twitter paddy wagon, er bandwagon. Let’s see if mobile twitter followers will impact the crime rate with their ability to instantly report crimes.

Want to organize all of your twitter experiences? HootSuite is the ultimate twitter toolbox to help you manage multiple Twitter profiles, pre-schedule tweets, and even gather statistics and analytics on your accounts.

I chose HootSuite not only for its great contribution to the many twitter clients but also, from a development view, for its use of the twitter API, reports, loaded feature set, and an amazing interface with every little detail thought out.

Find out what people are talking about on twitter anywhere in the world in real time.

Put in your address and find anyone tweeting around you, from 1 mile to 500 miles. You never know who will be tweeting next door.

Send a trick or treat tweet to your friends and $.10 will go to the World Wildlife Fund. Now the only hard part, do they deserve a trick or a treat?

TweetStats graphically displays your twitter activity, and lets you know what the trends are.

Here's another search engine for Twitter! TipTop is the real-time search tool helping you filter all those tweets to get the answers you need.

Measure your influence on Twitter with this nifty tool from the experts at Edelman.