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PieFed vs Mbin: catalog facts
PieFed	Mbin
Free Free to run yourself or to join an existing instance.	Free Free and open source.
Web, Self-hosted	Self-hosted
Compatible with Lemmy communities Docker and standard install guides	Combines link aggregation, voting and microblogging in one site Federates with the fediverse over ActivityPub
Self-hosting requires maintaining a Python web application Many open issues as the project grows	Requires running and maintaining your own server Smaller project than Lemmy with fewer instances
Self-hosted, Hosted service	Self-hosted
Open source	Open source
License: AGPL-3.0	License not stated
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Needs internet
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 23, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.