Microsoft

• Interactive Classroom - Students can connect to your presentation by joining an Interactive Classroom session that you create using Microsoft Office 2007 or 2010
• Mouse Mischief - a free student response system using wireless mice in the classroom.

Socrative - is a smart student response system that empowers teachers to engage their classrooms through a series of educational exercises and games via smartphones, laptops, and tablets.

Mobile Phone Response Systems - Scroll down towards the bottom of the page for using

10 Personal Response Systems Teaching Strategies

Question Press - Web-Based Classroom and Audience Response System

Google Forms