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The Mac OS X client for Beatport

Native OS X desktop client for the Yammer messaging service.

Waveboard is a client software for Google Wave

Desk Client that connects both Twitter and Facebook

Optimized Twitter client for Mac

Twitter client with a real OS X look and feel.

A beautifully designed and very functional Twitter Client

a simple and elegant Twitter client

A Twitter client with message store capability

Instantbird is a multi-protocol Instant Messaging client.