@thomasbnt Thank you! Not that I know, although there is, of course, the official branding: https://joinmastodon.org/branding

Looking at some examples, it may not be widely used:

- https://federike.social/settings/instances/add
- https://www.mastodonlistmanager.org/main
- https://tokimeki-mastodon.vercel.app/

#mastodon #branding