Hold your favorite button and draw, two modes are available - brush and arrow
Works well, perfect for presenting. Flexible - pencil like - arrow works great, but the arrow itself could be smaller. I hope there is a feature to adjust arrow size, not only line thickness.
https://paintonweb.com
Jaiwanth
https://tryblackboard.com
Paint Online App.
leocompson
https://paintontab.com/
https://web-paint-smart.com
Chris
https://thepainty.com/
https://www.livepolls.app/chrome_addons/
https://web-draws.com/
yumarg
