head to head · open source
OpenMQTTGateway vs HAsmartirrigation
OpenMQTTGateway has 4,116 GitHub stars, 910 forks, 48 open issues and last shipped 18 days ago. HAsmartirrigation has 566 stars, 95 forks, 27 open issues and last shipped 3 days ago. OpenMQTTGateway leads on adoption by 627% (4,116 vs 566 stars). OpenMQTTGateway is written in C++ under GPL-3.0; HAsmartirrigation is written in Python under MIT. OpenMQTTGateway has attracted 22% as many forks as stars, HAsmartirrigation 17%. HAsmartirrigation was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (home-automation), so they are genuine substitutes rather than adjacent tools.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| OpenMQTTGateway | HAsmartirrigation | |
|---|---|---|
| GitHub stars | ★ 4.1K | ★ 566 |
| License | GPL-3.0 | MIT |
| Written in | C++ | Python |
| Last push | 2026-10-19 | 2026-11-03 |
| Forks | ⑂ 910 | ⑂ 95 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick OpenMQTTGateway if
- You weight community size — 4.1K stars and counting
- You want the GPL-3.0 license terms
- Your stack matches C++
- You value the larger contributor base for long-term maintenance
pick HAsmartirrigation if
- You want the HAsmartirrigation feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Python
- You evaluated both and HAsmartirrigation fits your workflow better
About OpenMQTTGateway
OpenMQTTGateway aims to unify various technologies and protocols into a single firmware. This reduces the need for multiple physical bridges and streamlines diverse technologies under the widely used MQTT protocol. Sponsors Documentation The documentation is here New to OpenMQTTGateway? Follow the Getting Started guide to flash a board from your browser and see your first sensor data in about 15 minutes. The reference sheet, with the list of all functions, pinouts is here Upload Upload OpenMQTTGateway directly from the upload page (no additional software required) or build your own configuration with PlatformIO…
read the full OpenMQTTGateway overview →
About HAsmartirrigation
[![release][release badge]][release url] [release url]: [release badge]: Smart Irrigation Smart Irrigation was created by Jeroen ter Heerdt; all credit for the original integration and its evapotranspiration model goes to him. It is now actively maintained here, with the rough edges of the configuration UI and plumbing smoothed out. This integration calculates the time to run your irrigation system to compensate for moisture loss by evapotranspiration. Using this integration you water your garden, lawn or crops precisely enough to compensate what has evaporated. It takes into account precipitation (rain, snow)…
read the full HAsmartirrigation overview →
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Frequently asked questions
Is OpenMQTTGateway or HAsmartirrigation more popular?
OpenMQTTGateway has 4,116 GitHub stars and HAsmartirrigation has 566. OpenMQTTGateway has the larger community by that measure.
Are OpenMQTTGateway and HAsmartirrigation free?
Both are open source. OpenMQTTGateway is licensed under GPL-3.0 and HAsmartirrigation under MIT. Neither carries a licence fee.
What is the difference between OpenMQTTGateway and HAsmartirrigation?
OpenMQTTGateway is written in C++ and HAsmartirrigation in Python. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, OpenMQTTGateway or HAsmartirrigation?
Choose OpenMQTTGateway if you want the larger community (4,116 stars) or its GPL-3.0 licence terms. Choose HAsmartirrigation if its feature set, stack or MIT licence fits better. Both are self-hostable.