TwitLogo is a cool service that generates a Twitter logo on the fly. All you have to do is simply enter the text of your logo, customize the look if you want, and hit the "make" button. The result is a logo a la Twitter that you can download and use for your Twitter apps, mashups or even for fun.

Crrncy or Currency Converter is a fast and simple service for your currency conversion needs. To use to service simply select the flag of the default currency and enter the amount you want to convert. The results are displayed on the same page and contain conversions of all the supported currencies, which are currently limited to USD, EUR, GBP, CAD and SEK, with more to be added soon.

The service can also be used right from your browser’s address bar by simply entering the site’s URL followed by the value you want to convert as shown in this example http://www.crrncy.com/100.50. In case you need to change the default currency this can be easily done as so http://gbp.crrncy.com/100.50.

Crrncy is the creation of Erik Martinsson.

WhoJustFartedOnTwitter is the kind of tweets you really don’t want to know about, unless you want to join in and add to the "noise" in the Twitter-sphere. The idea is very simple, every time the page is reloaded, you will know "Who Just Farted on Twitter", and I have to admit that I’m surprised to see so many tweepls actually announcing that. In contrast to the info, the design and the method of conveying the message are really appealing, inspiring, and fun.

WhoJustFartedOnTwitter is the creation of Oisin Prendiville, creator of Tweet1, and you can follow the updates of… you know who, @whojustfarted.

Tweet1 or Tweet #1 is a really cool and fast way to find the first tweet of a Twitter user. The service simplicity and ease is only topped by it’s visuals, and can really fulfill the curiosity of knowing what was the first tweet of a particular twitter-er, for instance, Jack Dorsey’s first tweet.

If you are really interested in knowing the first tweet every time you visit the profile or tweet of a new twitter-er you just learned about, I suggest you add the bookmarklet to your browser.

Tweet1 is the creation of Oisin Prendiville, and you can follow the updates of Oisin on Twitter @prendio2.

LongestPoemInTheWorld, as the name implies, is just that, a never ending supply of verses, around 4000 a day, aggregated in real-time from Twitter updates that rhyme. So if you like poetry and tweets that rhyme, that would definitely be the place to spend time and feel fine

LongestPoemInTheWorld or "The Longest Poem in the World" is the creation of Andrei Gheorghe, and you can follow the updates on Twitter @longestpoem.

Twittonary is an easy way to learn about various Twitter related words, which in turn classifies it as a Twitter dictionary. The service includes 2 ways to search for the meaning of a Twitter related word; you can do so by either using the search box, or by viewing all the words that begin with a particular letter.

The service definition of Twitter related words is a collection of submissions by tweeple, meaning you can also contribute by adding a new word. Twittonary can definitely help you learn the terms used on Twitter, and can save some characters when tweeting, and as this is the subject, you can follow the tweets of the service @twittonary.

NotifyMee is a handy service that notifies you if a downed site is up and running again. Using the service is simplified in 3 steps; 1) enter the URL of the site you want to be notified about, 2) add to which email you want the notification to be sent, and 3) click on "Thank You!". Once the site is up again, you will receive an email notifying you of the new status, and as Twitter is somehow becoming the source of information, the service will also send a tweet to let other people know about it.

That being said, if you want to know what sites are up after they disappeared from the internet, you can follow the updates on Twitter @notifymee.

Sullr allows you to get the name and address of the owner of a phone number. Using the service is very simple, just enter the phone number in the designated box and hit "Find". The result of the search is immediately displayed and includes the name and address of the phone owner. You can even click on the "Map" button to view the address on a Google map.

The service currently covers 6 countries; Argentina, Belgium, France, Italy, Luxemburg and the USA, and is optimized to work on iPhone. The site also includes some useful links to Reverse Phone Articles and Resources.

Iconza is a really cool service that allows the customization of a collection of free icons. You can easily customize the color, background color, and size of the icons using a pleasant and fun to work with interface. Icons can be downloaded individually or as a whole set.

Iconza is very handy and fun to use, there is even a cool video that explains it all, so have look you will see what I’m talking about:

Iconza is a project by Turbomilk, and you can follow the updates on Twitter @iconza.

If you like icons, check out our article covering the Top 7 Icon Search Engines.

3.ly is a new really, really, really short (3 letters) URL shortener that was suggested by Nancy Jentra in the comments of our article – 20 Really Short URL Shorteners. The service use is typical to any URL shortener, but what makes it different is of course it’s length, only 3 letters, similar to u.nu which was previously listed in our showcase.

Features:

• Create really short URLs – The service is 3 Letters only
• Add a custom identifier to your shortened URL
• Bookmarklet available to easily use the service right from your browser

More features will be added soon, such as user accounts to track your shortened URLs. So, if you want to learn more about the new features from 3.ly (Threely), you can follow the updates on Twitter @Threely.