Serious twitterers will revel in HootSuite’s comprehensive and incredibly easy-to-use set of features that make advanced tweeting easy.
The Twitter 100 list was written in 2010. It is no longer being updated.
1HootSuite
Ranked #1 in Twitter 100
2Twitter Tip: Take a deep breath
Come to terms with the fact that people will do whatever they want on Twitter, and there’s nothing you can do about it.
3Twitter How-to: Use hashtags
Stay up-to-date with your favorite topics on Twitter the easy way — with clickable tags embedded in your tweets.
4Flutter: The New Twitter
This laugh-out-loud mockumentary from Slate V takes a look at what could be the next big trend in nanoblogging.
5Twitter Lingo: Fail Whale
When you are unable to connect to Twitter, an image of a whale appears instead, and it has earned his own name among the faithful Twitter crowd.
6Twitpic
Ranked #6 in Twitter 100
A popular and easy-to-use photo-sharing tool that offers a wide selection of features and near-seamless integration with Twitter.
7bit.ly
Sharing links is painless with this service, which gives you super-short URLs and more features than you even knew you needed.
8Twitter in Plain English
Twitter might be hard to understand at first, but this short and simple tutorial video doesn’t have to be.
9On Twitter: Britney Spears
The pop princess broke records this year by becoming the first person on Twitter to reach 5 million followers.
10Tweetie
If you’re looking for tons of features and ease-of-use on the iPhone, you’re going to have to throw down a couple bucks.