C official launch possible to install extensions in Safari users have received a lot of useful "plug-ins", which are able to do different stuff. But others are real, full applications, such as client tweeter Ostrich.
680 Kbytes expansion has all the basic functions, and that "adult" brothers: Display your Tweets tape, replai, personal messages, and favorites.
Miniature is a button that appears after installation, showing his badge to the number of new unread messages. To write a tweet, press the plus (+) icon in the upper right corner. It is very convenient feature is made adding a link to the current page open in Safari: enough to tyknut click "Link to This Page", in the window with the message text will appear immediately link the abbreviated service Bit.ly.
In fact, the minimum required functionality and provides an extension. I think that for people who prefer such a small plug bulky stand-alone-applications, this is exactly what is required.
Download Ostrich can on the official site expansion.