physicsclassroom
hyperphysics
ComPADRE collections – Open Source Physics ; The Physics Front ; Physics To Go ; PSRC
https://www.falstad.com/mathphysics.html
http://www.walter-fendt.de/html5/phen/
https://www.thephysicsaviary.com/Physics/Programs/Labs/index.html
PHYSCLIPS ( http://www.animations.physics.unsw.edu.au/ )
https://www.myphysicslab.com/
https://www.compadre.org/osp/
IOP TAP (Teach Advance Physics) http://tap.iop.org/
TES.com/ ; https://www.tes.com/en-us/teaching-resources/hub/high-school/physics
https://hypertextbook.com/facts/
www.ibphysics.org/
https://www.easthartford.org/page.cfm?p=10855
https://sites.google.com/prettygoodphysics.org/prettygoodphysics/home
http://modeling.asu.edu/modeling/weblinks.html
http://www.modelingscience.org/
http://saburchill.com/physics/physics_hp.html
YouTube, IB Physics Chris Doner
YouTube, Study Nova
YouTube, Physics Made Easy
Kognity (paid subscription)