Gwibber - Gwibber is an open source microblogging client for GNOME developed with Python and GTK.
Facebook Pages Manager - Learn how to manage your Facebook Page and discover all the available tools that give you control over your business Pages.
Socialite - History Ever since we acquired Socialite from Realmac Software in December 2010, we have been planning on releasing a faster, more stable version 2.
eClincher - eClincher offers social media management tool for marketers, businesses, brands and agencies.
Earthquake - Terminal-based Twitter Client with Streaming API support. Only supports Ruby 1.9 and later.
DrumUp - Content Marketing & Social Media Management Software