Various solutions: https://wiki.openstreetmap.org/wiki/Street-level_imagery_services
The real open one seems to be panoramax.
panoramax instance: https://wiki.openstreetmap.org/wiki/Panoramax
France/IGN panoramax instance: https://panoramax.ign.fr
Info on out to take pictures: https://forum.geocommuns.fr/t/les-tutoriels-pour-contribuer-a-panoramax/1015
Seems to be a good camera: https://www.kandaovr.com/qoocam-3-ultra/tech-spec
Chinese postman problem solver (that needs improvement): https://codeberg.org/lejun/RunEveryStreet
Draw a polygon on a map: https://www.keene.edu/campus/maps/tool/
Display geojson: https://geojson.io/