en.osm.town is one of the many independent Mastodon servers you can use to participate in the fediverse.
An independent, community of OpenStreetMap people on the Fediverse/Mastodon. Funding graciously provided by the OpenStreetMap Foundation.

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qeef

I have added a possibility to open area in Android app when mapping (not just iD, RapiD, or JOSM).

qa.damn-project.org/panel/

Also, I have simulated the use of the damn-project.org/ as a field mapping coordination tool -- locking POIs (squares in the damn terminology) in the random or the nearest order of the squares. It looks like that the mapping nearest square saves some time.