This document summarizes and compares 5 tools that can be used for interactive activities in the classroom: Socrative, PollAnywhere, PollDaddy, GoSoapBox, and Infuse Learning. Socrative and Infuse Learning allow for quizzing and polling of students using any internet-connected device and have dead simple interfaces. PollDaddy is best for conducting longer polls and surveys. GoSoapBox enables quick question asking and discussion.