CoMaps now has more than 7k subscribers across different social media platforms – today reaching 7,777. And the biggest growth is on open-source platforms:
Mastodon - distributed microblogging
Matrix - distributed group messaging
Lemmy - distributed discussion communities
Bluesky - microblogging
Pixelfed - Photos
SimpleX - private messaging
If you have not tried these, check them out!
https://streetcomplete.app/
Is very popular. It’s very game-ified so you walk around and answer questions about your neighborhood. As you get used to it you will learn how to add missing information like house numbers, businesses, and such.