head to head · open source
OpenMQTTGateway vs Gladys Assistant
OpenMQTTGateway has 4,117 GitHub stars, 910 forks, 48 open issues and last shipped 17 days ago. Gladys Assistant has 3,269 stars, 333 forks, 51 open issues and last shipped 3 days ago. OpenMQTTGateway leads on adoption by 26% (4,117 vs 3,269 stars). OpenMQTTGateway is written in C++ under GPL-3.0; Gladys Assistant is written in JavaScript under Apache-2.0. OpenMQTTGateway has attracted 22% as many forks as stars, Gladys Assistant 10%. Gladys Assistant 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 | Gladys Assistant | |
|---|---|---|
| GitHub stars | ★ 4.1K | ★ 3.3K |
| License | GPL-3.0 | Apache-2.0 |
| Written in | C++ | JavaScript |
| Last push | 2026-10-19 | 2026-11-02 |
| Forks | ⑂ 910 | ⑂ 333 |
| 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 Gladys Assistant if
- You want the Gladys Assistant feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches JavaScript
- You evaluated both and Gladys 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 Gladys Assistant
Gladys Assistant Your privacy first, open source smart home assistant Try It • Getting Started • Contribute • Contributors • License 🚀 Try Gladys Assistant Spin up a local Gladys Assistant instance in seconds using Docker: Prefer using Docker Compose? Check out our Docker Compose installation guide. 📚 Getting Started To install Gladys Assistant on your smart home setup, head over to our official website for a step by step guide. Whether you're installing on a mini PC, a NAS or a Raspberry Pi, we've got you covered with clear instructions tailored to your setup. 🤝 Contribute to Gladys We welcome contributions…
read the full Gladys Assistant overview →
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Frequently asked questions
Is OpenMQTTGateway or Gladys Assistant more popular?
OpenMQTTGateway has 4,117 GitHub stars and Gladys Assistant has 3,269. OpenMQTTGateway has the larger community by that measure.
Are OpenMQTTGateway and Gladys Assistant free?
Both are open source. OpenMQTTGateway is licensed under GPL-3.0 and Gladys Assistant under Apache-2.0. Neither carries a licence fee.
What is the difference between OpenMQTTGateway and Gladys Assistant?
OpenMQTTGateway is written in C++ and Gladys Assistant in JavaScript. 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 Gladys Assistant?
Choose OpenMQTTGateway if you want the larger community (4,117 stars) or its GPL-3.0 licence terms. Choose Gladys Assistant if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.