Storytelling tools - Timelines, Storymaps - Captivate: UTSC's Digital Storytelling Competition Resource Guide

Storymaps

Storymaps JS
Free, open source. Visualization tool that presents a series of chronological events
as an interactive, multimedia map
ArcGIS Storymaps
Subscription through U of T. Story-authoring web-based application on the ArcGIS platform that enables users to create custom interactive maps for digital storytelling
Odyssey
Free, open source. Visualization tool for creating map-based stories through use of scroll, slide, or torque templates, powered by CartoDB.
Timemapper
Free, open source. Visualization tool that creates maps of historic dates, places, and events using Google Spreadsheets.

TimelineJS
Free, open source. Creates interactive timeline for chronological narratives using Google Spreadsheets. Options to embed a variety of media sources and to share timeline as URL.
Sutori
Free and subscription. Designed for educational use, creates interactive timelines with features including text, images, audio, video, discussion forums and multiple choice questions.
StorylineJS
Free, open source. Visualization tool that enables users to build an annotated, interactive line chart from Google Sheets