Google Spreadsheets script that can help you manage the flow of Google Drive files that students share with you. Will create folders for you for as many course sections as you need.
This free tool allows you to create hypermedia glosses including text, pictures, videos, audio. It is available in many languages. A.k.a. FLAn: foreign language annotator.
Created by Dr. Thom Thibault, who is very active in CALICO
A browser extension that gives you an enhanced video player for YouTube videos. It allows you to slow the video and zoom in.
Limitations: You will need a blog or webpage to embed the video.
Popcorn Maker makes it easy to enhance, remix and share web video. Use your web browser to combine video and audio with content from the rest of the web - from text, links and maps to pictures and live feeds.
Limitations: Popcorn projects only play in Firefox.
Create an online board with images and text. Participants can add their own ideas and vote on their favorites. Invite participants by email or share a URL.