Abby vs PostHog

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

Not the right match-up?
FeatureAbbyPostHog
CategoryWeb AnalyticsWeb Analytics
LicenseMITMIT
LanguageTypeScriptPython
Setup difficultyMediumHard
Min. RAM512 MB4,096 MB
Deploymentdockerdocker, kubernetes
GitHub stars★ 167★ 37,548
First released20232020
ReplacesLaunchDarkly, OptimizelyGoogle Analytics, Mixpanel, Amplitude

Why pick each one

Choose Abby if…

  • Released under the MIT license
  • First-class Docker support for quick deployment
  • Written in TypeScript
  • Lightweight — runs in 512 MB RAM
Abby details

Choose PostHog if…

  • Comprehensive product suite
  • Session replay included
  • Open-core model
PostHog details

Frequently asked questions

Is Abby or PostHog better?

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

Are Abby and PostHog free and open-source?

Yes. Abby is licensed under MIT and PostHog under MIT. Both can be self-hosted at no software cost.

Can I run Abby and PostHog with Docker?

Abby: yes. PostHog: yes.

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