head to head · open source
OpenMQTTGateway vs room-assistant
OpenMQTTGateway has 4,117 GitHub stars, 910 forks, 48 open issues and last shipped 17 days ago. room-assistant has 1,357 stars, 124 forks, 76 open issues and last shipped yesterday. OpenMQTTGateway leads on adoption by 203% (4,117 vs 1,357 stars). OpenMQTTGateway is written in C++ under GPL-3.0; room-assistant is written in TypeScript under MIT. OpenMQTTGateway has attracted 22% as many forks as stars, room-assistant 9%. room-assistant 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.
← all 20902 open source comparisons
Side by side
| OpenMQTTGateway | room-assistant | |
|---|---|---|
| GitHub stars | ★ 4.1K | ★ 1.4K |
| License | GPL-3.0 | MIT |
| Written in | C++ | TypeScript |
| Last push | 2026-10-19 | 2026-11-04 |
| Forks | ⑂ 910 | ⑂ 124 |
| 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 room-assistant if
- You want the room-assistant feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and room-assistant 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 room-assistant
room assistant Automation on the Room Level room assistant brings your home automation onto the next level: room automation. It is capable of tracking room occupancy and your location around the house with great accuracy, plus any other sensors you may want to attach. You can pick and choose the parts you need from our flexible software to get all the data you need for writing awesome new automations room assistant easily integrates them with your favorite home automation suite. Imagine it: You can turn lights and heating on only in the rooms where people are actually there. You can accurately know if someone is…
read the full room-assistant overview →
More in Miscellaneous
Related comparisons
More Internet of Things (IoT) projects
Compare either of these against the rest of the Internet of Things (IoT) field.
Frequently asked questions
Is OpenMQTTGateway or room-assistant more popular?
OpenMQTTGateway has 4,117 GitHub stars and room-assistant has 1,357. OpenMQTTGateway has the larger community by that measure.
Are OpenMQTTGateway and room-assistant free?
Both are open source. OpenMQTTGateway is licensed under GPL-3.0 and room-assistant under MIT. Neither carries a licence fee.
What is the difference between OpenMQTTGateway and room-assistant?
OpenMQTTGateway is written in C++ and room-assistant in TypeScript. 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 room-assistant?
Choose OpenMQTTGateway if you want the larger community (4,117 stars) or its GPL-3.0 licence terms. Choose room-assistant if its feature set, stack or MIT licence fits better. Both are self-hostable.