Reflect - Reflect is a note-taking tool designed to mirror the way your brain works.
SlideLizard - Powerpoint plug-in for live audience interaction
Iconoir - A diverse and open-source library with 900+ icons
Pingo - Optimize images for the web quickly 🖼️⚡
Vizzu - Vizzu lets you use animated charts to share insights in complex data sets as self-explanatory stories.
Imakiku - Imakiku is an audience response system for real-time voting, posting comments, and surveying.