HootSuite - Enhance your social media management with Hootsuite, the leading social media dashboard. Manage multiple networks and profiles and measure your campaign results.
Gwibber - Gwibber is an open source microblogging client for GNOME developed with Python and GTK.
TweetDuck - Free & open source desktop client for TweetDeck
Seesmic - Seesmic was a suite of freeware web, mobile, and desktop applications which allowed users to simultaneously manage user accounts for multiple social networks, such as Facebook and Twitter.
TweetDeck - TweetDeck is your personal browser for staying in touch with what’s happening now.
SproutSocial - Sprout Social is a social media management tool created to help businesses find new customers & grow their social media presence. Try it for free.