Tweetbot 1.6.1.zip (MAS)

Tweetbot is a full-featured OS X Twitter client with a lot of personality. Whether it's the meticulously-crafted interface, sounds and animation, or features like multiple timelines and column views, there's a lot to love about Tweetbot.

Features:

Multiple Timelines. Quickly switch between your lists as your main timeline.
Multiple Windows and Columns. Display timelines from different accounts side by side.
Notification Center support.
Beautiful Retina graphics.
Mute filters lets you block messages from users without unfollowing them. You can also mute hashtags and specific more...

What's New
Version 1.6.1:

Fixed the issue with images being upscaled in the full-size image view
Fixed the low resolution issue on small thumbnails
Fixed the Open Links menu item
Fixed Flickr image previews
Fixed the issue with editing list descriptions
Fixed the issues related to OS X 10.7