Affinity Publisher - Professional desktop publishing app
Visily - The easiest and most powerful wireframe software for agile teams.
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.
PSD to Sketch Design Converter - Convert a Photoshop design to a layered Sketch file for free
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.
Zeplin - Collaboration app for UI designers & frontend developers