Affinity Publisher - Professional desktop publishing app
Gwibber - Gwibber is an open source microblogging client for GNOME developed with Python and GTK.
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.
Choqok - Choqok - KDE Micro-Blogging Client The name comes from an ancient Persian word, means Sparrow!
Xpublisher - Xpublisher is a content publishing software that helps you to structure your content and then allows you to easily publish the content on various platforms.
TweetDeck - TweetDeck is your personal browser for staying in touch with what’s happening now.