head to head · open source
OpenMQTTGateway vs home-assistant-config
OpenMQTTGateway has 4,117 GitHub stars, 910 forks, 48 open issues and last shipped 17 days ago. home-assistant-config has 2,046 stars, 178 forks, 5 open issues and last shipped 10 days ago. OpenMQTTGateway leads on adoption by 101% (4,117 vs 2,046 stars). OpenMQTTGateway is written in C++ under GPL-3.0; home-assistant-config is written in various languages under MIT. OpenMQTTGateway has attracted 22% as many forks as stars, home-assistant-config 9%. home-assistant-config was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (home-assistant, 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 | home-assistant-config | |
|---|---|---|
| GitHub stars | ★ 4.1K | ★ 2.0K |
| License | GPL-3.0 | MIT |
| Written in | C++ | — |
| Last push | 2026-10-19 | 2026-10-26 |
| Forks | ⑂ 910 | ⑂ 178 |
| 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 home-assistant-config if
- You want the home-assistant-config feature set and don't need the biggest community
- You prefer the MIT license terms
- You evaluated both and home-assistant-config 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 home-assistant-config
Frenck's Home Assistant Configuration ![Project Maintenance][maintenance shield] [![License][license shield]](LICENSE.md) [![GitHub Actions][actions shield]][actions] [![Linting][linting shield]][linting] [![GitHub Activity][commits shield]][commits] [![GitHub Last Commit][last commit shield]][commits] ![GitHub Stars][stars shield] ![GitHub Watchers][watchers shield] ![GitHub Forks][forks shield] What is Home Assistant? Not familiar with [Home Assistant][home assistant]? Oh, you're in for a treat! :wink: It's an open source smart home platform that runs locally on, for example, a Raspberry Pi. It connects to…
read the full home-assistant-config overview →
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Frequently asked questions
Is OpenMQTTGateway or home-assistant-config more popular?
OpenMQTTGateway has 4,117 GitHub stars and home-assistant-config has 2,046. OpenMQTTGateway has the larger community by that measure.
Are OpenMQTTGateway and home-assistant-config free?
Both are open source. OpenMQTTGateway is licensed under GPL-3.0 and home-assistant-config under MIT. Neither carries a licence fee.
What is the difference between OpenMQTTGateway and home-assistant-config?
OpenMQTTGateway is written in C++ and home-assistant-config in various languages. 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 home-assistant-config?
Choose OpenMQTTGateway if you want the larger community (4,117 stars) or its GPL-3.0 licence terms. Choose home-assistant-config if its feature set, stack or MIT licence fits better. Both are self-hostable.