Photoscape - high quality photo editing software, that enables you to fix and enhance photos.
Canva - Canva is a graphic-design platform with a drag-and-drop interface to create print or visual content while providing templates, images, and fonts. Canva makes graphic design more straightforward and accessible regardless of skill level.
FastStone Image Viewer - FastStone Image Viewer is a fast, stable, user-friendly image browser, converter and editor.
Adobe Photoshop - Adobe Photoshop is a webtop application for editing images and photos online.
IrfanView - IrfanView ... one of the most popular viewers worldwide.
Scribus - Scribus is a desktop publishing (DTP) application.