Gwibber - Gwibber is an open source microblogging client for GNOME developed with Python and GTK.
PromoRepublic - PromoRepublic is an online editorial calendar for social media marketers and library of custom designed templates and post ideas for social networks. The calendar is stuffed with content for latest trends, important events’ and holidays notifications
Choqok - Choqok - KDE Micro-Blogging Client The name comes from an ancient Persian word, means Sparrow!
getStacker.com - Check the top of the screen to. see what's next and its width. Some ladies wear fruit on their head. Who ate all the shapes? You stacked the lot!
TweetDeck - TweetDeck is your personal browser for staying in touch with what’s happening now.
uberflip - Organize and Centralize ALL of your Content in minutes