Oculus Quest - An all-in-one VR system
Microsoft Hololens - Augmented reality headset from Microsoft
Magic Leap - The Metaverse is already here
Trello - Infinitely flexible. Incredibly easy to use. Great mobile apps. It's free. Trello keeps track of everything, from the big picture to the minute details.
Relativ - Build your own advanced VR headset for $100
Jama Connect - The Leader in Requirements Management Solutions