Presentii - Imagine a tool that lets you capture audience interest in your presentation content as you present.

Marvel for Keynote - Transform slides into interactive prototypes

Imakiku - Imakiku is an audience response system for real-time voting, posting comments, and surveying.

Sidekick - Email tracking plugin for Gmail.

Pingo - Optimize images for the web quickly 🖼️⚡

Snackwyze - Clickable walkthroughs from screen recordings in seconds