Acrylamid vs Serendipity

A side-by-side comparison of two self-hosted blogging platforms options — licensing, setup difficulty, resource needs, and what each one replaces.

Not the right match-up?
FeatureAcrylamidSerendipity
Deploy effortRead-the-docs projectUnder-an-hour setup
Health score10 · At risk76 · Good
CategoryBlogging PlatformsBlogging Platforms
LicenseBSD-2-ClauseBSD-3-Clause
LanguagePythonPHP
Setup difficultyMediumEasy
Min. RAM64 MB256 MB
Deploymentsource, binarydocker, bare-metal, source
GitHub stars★ 280★ 227
First released20112003
ReplacesWordPress, BloggerWordPress, Blogger

What are Acrylamid and Serendipity?

Acrylamid

Acrylamid is a static blog compiler written in Python that focuses on fast incremental rebuilds and supports multiple markup languages. It generates a complete static site that can be hosted anywhere.

  • Incremental rebuilds
  • Multiple markup formats
  • Static output
  • Jinja2 templating

Serendipity

Serendipity is an open-source PHP and MySQL-powered weblog application that emphasizes ease of use and effective spam protection. It supports plugins, themes, and multiple blogs.

  • Strong built-in spam protection
  • Plugin and theme system
  • Multiple blog support
  • Easy upgrades

Acrylamid vs Serendipity: key differences

Acrylamid is written in Python, while Serendipity is built with PHP. Licensing differs — BSD-2-Clause for Acrylamid versus BSD-3-Clause for Serendipity. Acrylamid is the lighter option, starting around 64 MB of RAM against 256 MB for Serendipity. Serendipity is the more established project (first released 2003), while Acrylamid arrived in 2011. Serendipity lists first-class Docker deployment; Acrylamid does not.

Why pick each one

Choose Acrylamid if…

  • Released under the BSD-2-Clause license
  • Written in Python
  • Tiny footprint — runs in 64 MB RAM
Acrylamid details

Choose Serendipity if…

  • Excellent spam handling
  • Stable long-running project

Watch out for

  • Small modern community
  • Dated default themes
Serendipity details

Frequently asked questions

Is Acrylamid or Serendipity better?

Neither is universally better. Acrylamid has the larger community, while Serendipity is simpler to set up (easy difficulty). Choose based on the comparison table above and your own setup.

Are Acrylamid and Serendipity free and open-source?

Yes. Acrylamid is licensed under BSD-2-Clause and Serendipity under BSD-3-Clause. Both can be self-hosted at no software cost.

Can I run Acrylamid and Serendipity with Docker?

Acrylamid: check the project docs for container support. Serendipity: yes.

Which is lighter on resources, Acrylamid or Serendipity?

Acrylamid has the smaller minimum footprint at 64 MB of RAM, compared to about 256 MB for Serendipity. Real-world usage depends on library size, user count, and enabled features.

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