Sutori (former HSTRY): storytelling platform designed as a vertical timeline. Sutori is great for visualizing steps in a process, and for when you want to incorporate rich multimedia: you can embed images, PDF files, audio, videos, quizzes, Google Docs, tweets, forums, Padlets, and more into your timelines and share them via URL or embed code. See this Sutori example for a comprehensive list of its features. Sutori’s platform includes features for educational use, with different visibility and sharing options and basic classroom management. Free/Paid.