do you know how long between first release “open sourcing” occured? It looks like the current version of Pixelfed is published under the AGPL which is a strong Free Software licesne that all but requires an online open source development model in additon to protection of the four esssential freedoms.
naw, Bluesky users have already turned down mastodon. Lets pick another one they haven’t heard of yet Bluesky->Misskey
Or you could do all of the above ->Nostr