This is about all I see about metadata, which is just someone asking about it and someone proposing some metadata, 10 years ago: https://opengameart.org/forumto

This is about all I see about metadata, which is just someone asking about it and someone proposing some metadata, 10 years ago: https://opengameart.org/forumtopic/standard-metadata-for-tilesets-and-animations https://opengameart.org/forumtopic/standard-metadata-for-til... – how time flies!