https://framevr.io/

(from Virbela Labs)

Directions: https://youtu.be/j52snzy49Hg and https://youtu.be/99JPA-3tajs

“Frame” is the “classroom,” generates its own URL.

To enter my classroom, you just need use that URL, hit enter.

up to 3 free frames.

MNimmersive team, I created a room for us: https://framevr.io/teaching-vr

Constraints: while it seems free, the cap for the “inventory” (360 degrees photos and videos included) is 500MB

It is available for PC/Mac, mobile devices and goggles (best on Oculus)

Help is in Discord:

++++++++++++++
more on virtual worlds in this IMS blog
https://blog.stcloudstate.edu/ims/2021/03/10/working-in-vr/