Mastodawn

Babalugats Sep 5, 2025

Is it possible (or difficult) to migrate an entire forum from vanilla to a lemmy instance?

Is it possible (or difficult) to migrate an entire forum from vanilla to a lemmy instance? - Lemmy.World

As per the title. If I was running a Vanilla forum and wanted to migrate over to a new lemmy instance, e.g. forum.com [http://forum.com] to lemmy.forum.com [http://lemmy.forum.com] Could I migrate the entire forum over while keeping the same categories/sub categories as communities I guess, and bringing all of the old threads with them? If it is possible, would it be difficult?

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Björn Sep 5, 2025

Depending on the software used NodeBB might be easier to migrate to than Lemmy. As far as I know it also has ActivityPub support.

Also, Lemmy does not have subcategories. Every community is on the same hierarchy.

You might also want to look at PieFed. It’s a bit lighter than Lemmy.

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Babalugats Sep 6, 2025

Thanks. Does PieFed have subcategories?

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Björn Sep 6, 2025

Don’t know. Probably not. It works more or less the same as Lemmy.

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Babalugats Sep 6, 2025

Ah ok. Thanks.

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SqueakySpider Sep 7, 2025

I’m sorry cause I don’t have a source, but by another Lemmy comment anecdote I remember reading PieFed does have subcategories. I.e. /art/paintings . Worth checking in to!

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Babalugats

Yes, it seems it does… and they look good. 🙂

Example here - piefed.social/topics

I got it from here - Scroll down to differences between Lemmy and PieFed.

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Federated, open‑source, ad‑free, and fully under your control. Build or join a community that reflects your values with no corporate overlords. This instance is run by the founder of PieFed. [Mobile apps for PieFed](https://piefed.social/post/1258559)