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OpenSprinkler

Open-source internet-connected irrigation controller

Home Automation ★ 562 stars Medium setup GPL-3.0

OpenSprinkler is an open-source, internet-connected sprinkler and irrigation controller with web and mobile interfaces. The firmware and apps can run locally for fully self-hosted garden automation.

Official siteSource code

Key features

  • Web and mobile irrigation control
  • Weather-based scheduling
  • Local API
  • Home automation integration

Pros & cons

Strengths

  • Fully local operation
  • Open hardware design

Trade-offs

  • Requires OpenSprinkler hardware
  • Niche use case

Is OpenSprinkler secure?

OSV.dev has no published security advisories for OpenSprinkler's repository. No known vulnerabilities is not proof of security: it means none have been publicly catalogued.

Source: OSV.dev, checked 2026-10-14. How this is measured.

OpenSprinkler replaces

Self-hosted Rachio alternatives

Health badge

Maintain OpenSprinkler? Add its health score to your README. The badge links back to this page.

SelfHostIndex: 80 · excellent

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[![SelfHostIndex health score for OpenSprinkler](https://selfhostindex.com/badge/opensprinkler-firmware.svg)](https://selfhostindex.com/app/opensprinkler-firmware/)
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<a href="https://selfhostindex.com/app/opensprinkler-firmware/"><img src="https://selfhostindex.com/badge/opensprinkler-firmware.svg" alt="SelfHostIndex health score for OpenSprinkler"></a>
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.. image:: https://selfhostindex.com/badge/opensprinkler-firmware.svg
   :alt: SelfHostIndex health score for OpenSprinkler
   :target: https://selfhostindex.com/app/opensprinkler-firmware/

The score is recomputed on every nightly rebuild from public repository data — see how it is calculated.

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