Ring4 Meeting - Dead simple video conferencing - free, in browser
Visual Pinball - Visual Pinball is a freeware video game engine for pinball tables and similar games such as pachinko machines.
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.
EazeGames - eSports platform for competing in game tournaments with cash prizes
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.
Tamagogo - Heroes have invaded your home! Rescue cute monsters and make your great eggscape!