Nibbleblog 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?
FeatureNibbleblogSerendipity
Deploy effortRead-the-docs projectUnder-an-hour setup
Health score7 · At risk76 · Good
StatusArchivedActively maintained
CategoryBlogging PlatformsBlogging Platforms
LicenseGPL-3.0BSD-3-Clause
LanguagePHPPHP
Setup difficultyEasyEasy
Min. RAM128 MB256 MB
Deploymentbare-metal, sourcedocker, bare-metal, source
GitHub stars★ 227★ 227
First released20092003
ReplacesWordPress, BloggerWordPress, Blogger

What are Nibbleblog and Serendipity?

Nibbleblog

Nibbleblog is a simple, lightweight blog engine written in PHP that stores its data in XML files rather than a database. It is designed for quick setup of a personal blog.

  • No database required
  • XML-based storage
  • Plugin support
  • Quick installation

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

Nibbleblog vs Serendipity: key differences

The biggest difference is maintenance: Nibbleblog's repository is archived and no longer developed, while Serendipity is actively maintained. Both projects are written in PHP. Licensing differs — GPL-3.0 for Nibbleblog versus BSD-3-Clause for Serendipity. Nibbleblog is the lighter option, starting around 128 MB of RAM against 256 MB for Serendipity. Serendipity is the more established project (first released 2003), while Nibbleblog arrived in 2009. Serendipity lists first-class Docker deployment; Nibbleblog does not.

Why pick each one

Choose Nibbleblog if…

  • Very easy to install
  • Easy to back up

Watch out for

  • Development is inactive
  • Limited features
Nibbleblog 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 Nibbleblog or Serendipity better?

Neither is universally better. Nibbleblog has the larger community; both share a easy setup difficulty, so the decision comes down to features and licensing.

Are Nibbleblog and Serendipity free and open-source?

Yes. Nibbleblog is licensed under GPL-3.0 and Serendipity under BSD-3-Clause. Both can be self-hosted at no software cost.

Can I run Nibbleblog and Serendipity with Docker?

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

Which is lighter on resources, Nibbleblog or Serendipity?

Nibbleblog has the smaller minimum footprint at 128 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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