ManualsLib - Just enter the keywords in the search field and find what you are looking for!
ClassVR - VR Training Simulator
Manuzoid - Repository that includes user manuals for various products
REWO - REWO is a knowledge documentation and distribution solution, which drastically improves capturing, visualizing and communicating knowledge.
ManualAgent - Manuals and guides
Osso VR - Osso VR is a surgical training and assessment platform that allows surgeons, sales teams, and hospital staff to train and assess using advanced virtual reality.