I’ve been somewhat of a (PC) VR fanboy for the past year or four and I can’t help but share that with everyone. I can’t get you up to speed with EVERYTHING ever released since 2015 which marked the debut of modern VR but here’s some basic information to get you started, starting from the currently relevant hardware manufacturers (in the PC space which is my primary interest, PSVR is cool for what it is but could have been so much more if they didn’t retrofit the lacking Move technology for it)! Anyway, here goes.
Valve with their Index stuff, lighthouse base stations (impeccable room scale/controller tracking), high quality HMD (what you stick your head in), and superb controllers with touch and force sensing. You may mix and match the components of other companies utilizing the lighthouse system.
Oculus with their Rift line of products, initially the Rift which used external cameras for the tracking and now the Rift S and stand-alone Quest which use multiple cameras mounted on the HMD for tracking and, before Index came along, the best VR controllers yet (which have proven very forward compatible).
HTC with the Vive line ranging from the basic to the Pro Eye. Their older stuff use Valve’s lighthouse system (v1.0, compatible with 2.0) but basic wand controllers. The newer Cosmos and Focus are VERY Rift S/Quest esque but so far unable to provide equally high quality tracking.
Various companies as part of Microsoft’s Windows Mixed Reality initiative offer products similar to the Rift S, all using the same HMD mounted 2-camera tracking and Microsoft’s own controller. Again, not as capable in tracking yet potentially cheaper or with a better HMD, it all varies.
Pimax which aims to offer super high resolution and high field of view HMDs, as well as now working on their own Index-like controllers. They can use Valve’s lighthouse tracking solution also.
Many more companies offer products for specific niches, like super high resolution HMD with XTAL or all kinds of location based VR solutions, or advancements in specific fields like light fields, hand or body tracking, body suits with force feedback, or essentially whatever else you can think of.
Games and software are on a variety of stores like Valve’s Steam which (generally) any PC VR hardware can use via SteamVR/OpenVR, HTC’s Viveport which is becoming platform-agnostic itself, and the Oculus Store which only (officially) works for Oculus hardware (there are fan made ways though, like Revive).
Here are some of the VR focused (or at least heavily dabbling in VR) websites and channels I check:
General gaming media sadly seem to only post about VR in a clickbaity or very surface level manner, often ignoring major breakthroughs, news, products and publicizing (or advertising) the worst of it, similar to how some random newspaper’s ignorant tech column’s gaming talk can easily make you cringe.
Here are some random (ish) videos showing off a glimpse of the gameplay possibilities in virtual reality.
The last explains basic methods of locomotion in 3D space in VR though it’s quite old and misses some.