Gwibber - Gwibber is an open source microblogging client for GNOME developed with Python and GTK.
Affinity Publisher - Professional desktop publishing app
Choqok - Choqok - KDE Micro-Blogging Client The name comes from an ancient Persian word, means Sparrow!
Contenta Publishing Suite - Contenta Publishing Suite is an advanced-level and web-based publishing software solution offered by RWS that allows you to create good quality content and offers you optimized steps and procedures to publish the content successfully.
TweetDeck - TweetDeck is your personal browser for staying in touch with what’s happening now.
SmartPublisher - Newspaper Software: CRM software, magazine software, subscription software, newspaper sales management, classified ads software,newspaper invoice software, newspaper accounting