Mozilla WebThings Gateway vs evcc

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?
FeatureMozilla WebThings Gatewayevcc
CategoryHome AutomationHome Automation
LicenseMPL-2.0MIT
LanguageTypeScriptGo
Setup difficultyMediumMedium
Min. RAM512 MB256 MB
Deploymentbare-metal, dockerdocker, binary
GitHub stars★ 2,643★ 7,054
First released20182019
ReplacesSmartThings, Google HomeSmartThings

Why pick each one

Choose Mozilla WebThings Gateway if…

  • Open standards-based
  • Privacy-focused
Mozilla WebThings Gateway details

Choose evcc if…

  • Maximizes solar self-use
  • Wide hardware support
  • Lightweight
evcc details

Frequently asked questions

Is Mozilla WebThings Gateway or evcc better?

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

Are Mozilla WebThings Gateway and evcc free and open-source?

Yes. Mozilla WebThings Gateway is licensed under MPL-2.0 and evcc under MIT. Both can be self-hosted at no software cost.

Can I run Mozilla WebThings Gateway and evcc with Docker?

Mozilla WebThings Gateway: yes. evcc: yes.

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