Second Life is a 3D MUVE, or multi-user vitural environment, that offers a third-person graphics platform where many users can interact simultaneous, and have a presence in a persistent virtual world.
ARIS is a tool for you to make mobile games, tours and interactive stories. Using the GPS and QR Codes, ARIS players will experience a virtual world of interactive characters, items and media placed in physical space.
Mainly for businesses, but schools can create virtual classrooms, maintain calendars, assignment deadlines, host picture shows, video events and encourage parents participation, etc.
The website MyiCourse.com is a user friendly website that allows anyone to create a virtual classroom, whether as a study aid or as an online learning tool. This site allows for anyone to create a site that is user friendly on a virtually accepted platform.
Use the Draw Here bookmarklet to draw on top of web pages while you are browsing the web. If you save your drawings, other Draw Here users will then be able to see your drawings when they go to the same page.
Zoomerang is an online polling & surveying site. The basic, aka free, account allows you to create an unlimited number of surveys & polls, each having up to 12 questions, and 100 responses. Results can be viewed in real-time. This is ideal for surveying small population like a class or grade level in a school, or even as a virtual testing/quizzing tool!