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Antville vs Serendipity: catalog facts
Antville	Serendipity
Free Free and open source software.	Free Free and open source under the BSD 3-Clause licence.
Self-hosted	Self-hosted
Hosts many independent blogs on one installation Long-running project with a live public instance	Long track record since 2002 Plugin and theme repository installable from the admin
Requires Helma Object Publisher and a relational database Uncommon technology stack compared with PHP blog engines	Smaller community than WordPress Classic PHP blog design rather than a modern headless setup
Self-hosted	Self-hosted
Open source	Open source
License: Apache-2.0	License: BSD-3-Clause
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 2, 2026

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