Backchannel application that allows students to answer multiple choice questions and rate their confidence that they've understood. Teachers get access to all information in realtime.
Limitations: Students have to sign up for an account.
Create Google Forms using drag-and-drop tools. Allows file uploads (that go to your Google Drive), multi-page forms, and greater control over submissions than normal Google forms.
Used the online editor to crop videos from YouTube, KhanAcademy, and other sites. Then record audio directly in the browser, and add multiple-choice and open-ended questions at any points in the video. You can also add audio notes. Useful for flipping the classroom.
Limitations: You can't upload your own videos to the site. However, you could upload them to YouTube, then access them through EDpuzzle.
Students can receive messages to their phones (SMS) or other messaging clients with multiple-choice questions.
Limitations: Does not seem to support non-Latin characters.
Spelling & Vocabulary Website
This works for English only.
The user enters a list of words. The computer speaks and spells the words. It also uses the words in sentences. Various games and quizzes are available.
Real Time Student Reponse System. Students use computers or iPads to respond to multiple-choice, true/false, or short answer questions posted by the teacher. Instant results can be displayed.
Add elements to YouTube video such as text, images, and questions (multiple-choice, fill-in, check-box).
See also http://dev.celta.msu.edu/technology-blog/2014/06/10/zaption/
Limitations: Must create account and log in to view videos. Free version does not allow you to see people connected to their responses.
Online language lab. Allows you to create speaking, listening, reading, and writing assignments that students do online. You can provide feedback to them through the interface.