A.I. Experiments by Google - Explore machine learning by playing w/ pics, music, and more
Stork.ai - AI-Based Collaboration for Hybrid Teams. Rich media messaging, advanced video and voice conferencing, auto-transcribing and screen sharing. Serendipitous meetings at the water-cooler with your human and AI teammates.
Swift Playgrounds - Learn serious code on your iPad in a seriously fun way
Tatsu - Standup meetings for remote teams.
Talk to Books by Google - Browse passages from books using experimental AI
openmeet - Account free video conferencing with a rooms component that lets you use VC within a physical meeting room. The server can also be hosted in your own cloud for extra privacy/security.