OpenEnergyMonitor Emoncms vs Home Assistant

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

Not the right match-up?
FeatureOpenEnergyMonitor EmoncmsHome Assistant
CategoryHome AutomationHome Automation
LicenseAGPL-3.0Apache-2.0
LanguagePHPPython
Setup difficultyMediumMedium
Min. RAM256 MB1,024 MB
Deploymentdocker, bare-metaldocker, bare-metal, one-click
GitHub stars★ 1,319★ 89,795
First released20112013
ReplacesSenseSmartThings, Google Home

Why pick each one

Choose OpenEnergyMonitor Emoncms if…

  • Mature energy platform
  • Flexible visualizations
OpenEnergyMonitor Emoncms details

Choose Home Assistant if…

  • Huge device support
  • Local control and privacy
  • Very active community
Home Assistant details

Frequently asked questions

Is OpenEnergyMonitor Emoncms or Home Assistant better?

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

Are OpenEnergyMonitor Emoncms and Home Assistant free and open-source?

Yes. OpenEnergyMonitor Emoncms is licensed under AGPL-3.0 and Home Assistant under Apache-2.0. Both can be self-hosted at no software cost.

Can I run OpenEnergyMonitor Emoncms and Home Assistant with Docker?

OpenEnergyMonitor Emoncms: yes. Home Assistant: yes.

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