TweetDeck by Twitter
TweetDeck - great application for advanced users from Twitter
Using TweetDeck, you can follow a lot more people than work directly on Twitter or in any other application.
TweetDeck is a management tool designed exclusively for Twitter. It offers Twitter users a very flexible and extensive way to manage multiple Twitter accounts.
Within a few days, it is available as a desktop client and as a mobile application for Android and iOS, and can also be used in a browser. You can also manage your Facebook, LinkedIn, and FourSquare accounts, not just Twitter profiles.
What's new in TweetDeck:
* Schedule tweets with images
* Create, organize and share the timeline of tweets that you want to use Collections
* Changed the new sidebar to the left
* Drag and drop column permutations on the sidebar