Description: Poll Everywhere is an audience response system that allows presenters to gather live feedback from any audience using cell phones, twitter, or the web. It helps make presentations more interactive and engaging.
Type: software
Description: Sentry is an open-source error monitoring system that helps developers monitor and fix crashes in real time. It provides full stacktraces and context on bugs or errors in web apps, mobile apps, games, and APIs.
Type: software
Pricing: Freemium