List of virtual resources for Sciences, Engineering and Social sciences, from Colorado School of Mines: https://libguides.mines.edu/oer/simulationslabs
LInks to many virtual labs and resources:https://digitallearning.ucf.edu/ilab/remote-labs/college-of-sciences-remote-lab-resources/
Interactive simulations for Science and Maths: https://phet.colorado.edu/
List of resources for Maths, Physics and Engineering: https://www.falstad.com/mathphysics.html
Virtual labs initiative of MHRD: https://www.vlab.co.in/
Virtual labs initiative at IIT-Bombay: http://vlabs.iitb.ac.in/vlab/
An article discussing virtual labs: http://confluence.ias.ac.in/can-simulated-lab-experiences-replace-real-physics-labs-in-a-post-covid-india/
Another article discussing how students are doing lab work from home:https://www.sciencemag.org/news/2020/07/during-pandemic-students-do-field-and-lab-work-without-leaving-home#
Virtual Labs in Physics, Chemistry, Maths, Earth Sciences and Biology: https://phet.colorado.edu/.