Getting the most out of Twitter is more then answering the question, “What are you doing” in 140 characters. Here is a list of Twitter apps developed to help enhance and optimize your Twitter experience, save you time – yes, it is possible, and maybe even make your tweets more interesting.

1. Bitly – bit.ly is a utility that allows you to shorten a long URL, share it, and then track the resulting usage. Do you like to share blog posts, images or videos on Twitter, Gmail, Email, and Facebook? You can do it simply and quickly using the bit.ly sidebar bookmarklet. Then track the performance with complete statistical history of your bit.ly links in real-time.

2. Twitpic – TwitPic lets you share photos on Twitter. You can post pictures to TwitPic from your phone, the TwitPic API, or through the site itself. There are also popular Twitter clients that have built-in support for TwitPic. If you have a Twitter account then you already have a Twitpic account, just login to Twitpic with your Twitter username and password and you are all set.

3. Tweetie 2.0 – Twitter client for your iPhone. Explore all of Twitter, from your own timeline and mentions, to the favorite tweets of your followers and friends.

4. Hootsuite – A browser based Twitter client. You can manage multiple users and multiple Twitter profiles, schedule tweets, feed your blog RSS, organize your Twitter stream into friends, news, search terms, keyword tracking – whatever you like, and measure your success with built-in statistics. Manage your entire Twitter experience from one easy-to-use interface. Only downside is you can’t manage who is following you from Hootsuite.

5. TweetDeck – Is a downloadable application for staying in touch across Twitter, Facebook and MySpace. Manage multiple Twitter accounts, Record, share and watch video clips within TweetDeck, organize your Twitter stream into friends, news, search terms, keyword tracking. TweetDeck is also available for your iPhone.

6. Digsby – A multiprotocol IM client that lets you manage all your IM, email, and social network accounts from one easy-to-use application. For social networks, it provides a newsfeed of events on the network and the ability to set status with support for Facebook, Twitter, and MySpace.

7. Brizzly – Is a new Twitter client that allows you to use multiple accounts, monitor searches, share photos, save drafts and wiki-describe trending topics. A nice feature in Brizzly is that it has an explanation for why each trending topic on Twitter is popular. If your note a fan of columns, like in Hootsuite and Tweetdeck, you might like Brizzly for it simple and user-friendly interface. Note: It’s still in private beta, you can request an invitation to try it out on their website.

8. Friend or Follow – A basic service that helps you manage your Twitter contacts. Submit your Twitter screen name to find out who you’re following, who is not following you back, and who is following you that you’re not following back.

9. Screenr – Instant screencasts for Twitter. Screenr allows you to create screencasts for your followers as easily as you tweet. With Screenr’s web-based recorder, there’s nothing to download. Your screencasts play everywhere, even on iPhones.

10. TweetStats – Interested in tracking and measuring your tweet statistics? TweetStats graphs your Twitter Stats including – tweets per hour, tweets per month, tweet timeline and reply statistics.

What do you think? Feel free to leave a comment below or talk to me on Twitter!