Comment on The strenghts and weaknesses of atproto and activitypub.
irelephant@lemmy.dbzer0.com 2 weeks agoPixelfed lets you sign in using mastodon’s oauth, but that’s probably not what you mean.
There is OpenWebAuth, but its not really implemented by many major projects. codeberg.org/fediverse/fep/src/…/fep-61cf.md