Genially is a free tool that supports the creation of interactive content in the form of presentations, infographics, guides, and images. Genially provides an accessible, user-friendly dashboard to make interactive content for educators and students. Projects can be exported and shared as online pages, embedded within a website, or sent via email.
TimelineJS is a free resource from Northwestern University's Knight Lab that enables users to produce interactive timelines. Users are able to create a timeline with a Google Spreadsheet and include text, images, and video content within the timeline. TimelineJS is a tool that enables user customizer without requiring complex technical knowledge. Timelines can be embedded on websites or shared to other viewers.
https://timeline.knightlab.com