FastStone Image Viewer - FastStone Image Viewer is a fast, stable, user-friendly image browser, converter and editor.
Affinity Publisher - Professional desktop publishing app
IrfanView - IrfanView ... one of the most popular viewers worldwide.
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.
Photoscape - high quality photo editing software, that enables you to fix and enhance photos.
RebelMouse - Publishing platform for distributed content