Aeon Timeline - "The timeline tool for creative thinking. Capture, create and explore ideas."
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.
Preceden - Preceden makes it easy to build simple, powerful timelines
PicMonkey - PicMonkey is a feature-rich online photo editor that works right in your browser; no downloads...
ChronoFlo Timeline Maker - Create beautiful interactive timelines that you can share online
Piktochart - Piktochart for Business Storytelling