head to head · open source
OpenMQTTGateway vs deconz-rest-plugin
OpenMQTTGateway has 4,094 GitHub stars, 906 forks, 48 open issues and last shipped today. deconz-rest-plugin has 1,909 stars, 528 forks, 145 open issues and last shipped 10 days ago. OpenMQTTGateway leads on adoption by 114% (4,094 vs 1,909 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 | 2026-09-20 | 2026-09-10 |
| Forks | ⑂ 906 | ⑂ 528 |
| 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 is an open source C++ gateway firmware for ESP8266 and ESP32 boards that connects local radio and sensor protocols to MQTT. It lives in the home automation ecosystem and is associated with Home Assistant, OpenHAB, NodeRed, and AWS IOT. The project aims to unify various technologies and protocols into a single firmware, reducing the need for multiple physical bridges.
read the full OpenMQTTGateway overview →
About deconz-rest-plugin
deCONZ REST plugin is a C++ REST API server that exposes Zigbee 3.0, Zigbee Home Automation and Zigbee Light Link devices — lights, switches and sensors — to any application that can speak HTTP, and it is aimed at self hosters running a ConBee USB dongle or a RaspBee shield on a Raspberry Pi or Linux host.
read the full deconz-rest-plugin overview →
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Frequently asked questions
Is OpenMQTTGateway or deconz-rest-plugin more popular?
OpenMQTTGateway has 4,094 GitHub stars and deconz-rest-plugin has 1,909. 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 (4,094 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.