Mapus is an open source tool to explore and annotate collaboratively on a map. You can draw, add markers, lines, areas, find places to go, observe other users, and much more.
Apexcharts.js is a modern JavaScript charting library to build interactive charts and visualizations with simple API.
jQuery Singalong is a jQuery annotate plugin can add full HTML annotations to HTML5 <video> or <audio> elements.
