I used to add photos to Google Maps. As I grew up, I feel that I dont want to support us corporation.
Which alternative is the most popular in your country? In Poland I use mapy.com, and I add ratings, photos of the places. Is there any better platform? What do you use in France, Germany, Italy etc?


pitch it to osm(and) devs or better yet, start implementing it
If I had the skills and time to develop a whole new federated platform this is absolutely be what I would work towards. Sadly I have neither.
OsmAnd is a navigation app, it wouldn’t be the right place to start.
My best idea for the easiest possible integration would be to allow for OSM IDs to serve as attachments to posts in the Fediverse (such as mastodon). The lowest effort would be to simply attach ID codes as hashtags. An example of a mastodon post could be:
Here a bot would search for posts with the hashtag #OSM, and include posts with valid numerical OSM IDs as a separate hash tag. Scoring could be included in the text, and be flexible (2/5, 7/10, 87/100), with clients reading the reviews optionally converting them into any form of indicator.
The challenges of this approach (that I have thought of) would be:
The benefits would be that the federated infrastructure doesn’t really need to be developed much - we would just need people to agree on the standard and find ways to display reviews.
An app to post reviews making use of specialized content fields would probably be nice, but I fear anything that requires additional accounts or apps would deter people. Being able to sign in to existing Fediverse accounts inside of map apps and posting reviews directly seems like a better solution.
I’m sure there are many people with more knowledge than me on the matter though, and some of them are probably working on this already. As I said, I’m just daydreaming. :)