head to head · open source
OpenMQTTGateway vs deconz-rest-plugin
OpenMQTTGateway has 4,117 GitHub stars, 910 forks, 48 open issues and last shipped 17 days ago. deconz-rest-plugin has 1,904 stars, 530 forks, 145 open issues and last shipped 2 months ago. OpenMQTTGateway leads on adoption by 116% (4,117 vs 1,904 stars). OpenMQTTGateway is written in C++ under GPL-3.0; deconz-rest-plugin is written in C++ under BSD-3-Clause. OpenMQTTGateway has attracted 22% as many forks as stars, deconz-rest-plugin 28%. OpenMQTTGateway 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 | deconz-rest-plugin | |
|---|---|---|
| GitHub stars | ★ 4.1K | ★ 1.9K |
| License | GPL-3.0 | BSD-3-Clause |
| Written in | C++ | C++ |
| Last push | 2026-10-19 | 2026-09-10 |
| Forks | ⑂ 910 | ⑂ 530 |
| 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 deconz-rest-plugin if
- You want the deconz-rest-plugin feature set and don't need the biggest community
- You prefer the BSD-3-Clause license terms
- Your stack matches C++
- You evaluated both and deconz-rest-plugin 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 deconz-rest-plugin
Introduction ============ The deCONZ REST plugin provides a REST API to access Zigbee 3.0 (Z30), Zigbee Home Automation (ZHA) and Zigbee Light Link (ZLL) lights, switches and sensors from Xiaomi Aqara, IKEA TRÅDFRI, Philips Hue, innr, Samsung and many more vendors. A list of supported Zigbee devices can be found on the Supported Devices page. To communicate with Zigbee devices the RaspBee / RaspBee II Zigbee shield for Raspberry Pi, or a ConBee / ConBee II / ConBee III USB dongle is required. API Documentation REST API Documentation deCONZ C++ Plugin API Documentation. DDF and C++ Device API Documentation For…
read the full deconz-rest-plugin overview →
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Frequently asked questions
Is OpenMQTTGateway or deconz-rest-plugin more popular?
OpenMQTTGateway has 4,117 GitHub stars and deconz-rest-plugin has 1,904. OpenMQTTGateway has the larger community by that measure.
Are OpenMQTTGateway and deconz-rest-plugin free?
Both are open source. OpenMQTTGateway is licensed under GPL-3.0 and deconz-rest-plugin under BSD-3-Clause. Neither carries a licence fee.
What is the difference between OpenMQTTGateway and deconz-rest-plugin?
OpenMQTTGateway is written in C++ and deconz-rest-plugin in C++. 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 deconz-rest-plugin?
Choose OpenMQTTGateway if you want the larger community (4,117 stars) or its GPL-3.0 licence terms. Choose deconz-rest-plugin if its feature set, stack or BSD-3-Clause licence fits better. Both are self-hostable.