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.
StoryMill - Developers and publishers of Mac, Win, and iOS productivity, home and office and writing software such as MacGourmet, Paperless and many more. Based in MN.
Adobe Photoshop - Adobe Photoshop is a webtop application for editing images and photos online.
BlankPage - Stay motivated to write, and finish your story
Scribus - Scribus is a desktop publishing (DTP) application.
Manuskript - Open-source tool for writers.