this post was submitted on 16 Sep 2025
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Yes, backend server.
https://codeberg.org/rimu/pyfedi/src/branch/main/INSTALL.md
You could run all 3 but it would be redundant as they all have the same content and people :D
One thing I don't understand, the clients (and servers) have different features ? So how are they compatible with each other ? I understand the activitypub allows interoperatibility, but if piefed for crosspost agglomeration but lemmy doesn't, how is that mismatch handled ?
Are they extensions that are just not supported like on XMPP ?
I think I'd want to run each of the 3 webui locally, to figure out which I actually like, but does that mean I should runt he 3 backends as well so that all the features work ?
Is there one backend that basically does it all and I should only run that one ? I do have plenty over ram with many HP G8 DL380 and 256gb ram each so .. it's mostly a matter of "crossing the desert" and configuring each one, which I suspect will be pretty similar but each with their own little gotcha (speaking as a self-hosting veteran, there's always something)
They each use a different backend, and their web UI's are designed with their own unique backend in mind.
There is Photon, a third-party web UI/client that may someday be compatible with both Lemmy and Piefed, but currently only properly supports lemmy.
As far as I know, Piefed, Lemmy, and Mbin essentially are just displaying the data made available from ActivityPub in different ways, like the comment aggregation for crossposts.
Thanks ! In that case I think I will make a self-hosted server and client instances of all 3 plus photon and then decide which one I like !