Google Streetview is very popular but seems then Bing decided to play its next card to open Streetside to OpenStreetMap id Editor from what I saw on these articles.
https://www.onmsft.com/news/bing-maps-opens-up-streetside-to-openstreetmap-id-editor
https://mspoweruser.com/microsoft-is-integrating-its-streetside-imagery-into-openstreetmap-id-editor/