Images
- ThingLink-- allows you to annotate images with labels, comments, links, videos, and more.
- EdPuzzle-- allows you to: clip video, add your own comentary, assign your video to a class, embed your video in a web page or presentation
- PlayPosit -- allows you to: add question/answer sections to make interactive video lessons, edit video, clip selections, embed questions for students to answer. Works with Schoology, Edmodo, and Blackboard.
Web Pages
- Diigo -- allows you to: highlight and add sticky notes on webpages; archive pages forever and make them searchable; organize your items by tags or lists; search and access from anywhere, anytime. It is also available as an extension in Mozilla Firefox and Chrome.
- Scrible -- allows you to: highlight make notes on webpages; share libraries and access shared libraries. A free education edition is available for teachers and students. It is also available as a Chrome extention.
- Twiddla -- allows you to: mark webpage with pencil and other drawing tools; take screenshots; collaborate. No account necessary.