head to head · open source
oomwoo vs OpenMQTTGateway
oomwoo has 12,969 GitHub stars, 815 forks, 3 open issues and last shipped 4 days ago. OpenMQTTGateway has 4,116 stars, 910 forks, 48 open issues and last shipped 18 days ago. oomwoo leads on adoption by 215% (12,969 vs 4,116 stars). oomwoo is written in Python under Apache-2.0; OpenMQTTGateway is written in C++ under GPL-3.0. oomwoo has attracted 6% as many forks as stars, OpenMQTTGateway 22%. oomwoo was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 3 topic tags (arduino, esp32, home-assistant), 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
| oomwoo | OpenMQTTGateway | |
|---|---|---|
| GitHub stars | ★ 13K | ★ 4.1K |
| License | Apache-2.0 | GPL-3.0 |
| Written in | Python | C++ |
| Last push | 2026-11-02 | 2026-10-19 |
| Forks | ⑂ 815 | ⑂ 910 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick oomwoo if
- You weight community size — 13K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick OpenMQTTGateway if
- You want the OpenMQTTGateway feature set and don't need the biggest community
- You prefer the GPL-3.0 license terms
- Your stack matches C++
- You evaluated both and OpenMQTTGateway fits your workflow better
About oomwoo
OOMWOO Open source robot vacuum you build yourself Clean well · Hackable · Raspberry Pi · 3D printed · Local / No cloud required · Home Assistant · Arduino · ROS2 · ESP32 OOMWOO is an open source home robot vacuum you can build yourself, built using Raspberry Pi, 3D printing, Home Assistant, Arduino and ROS2. It uses an affordable 2D LiDAR to map your home and navigate on its own. Local, no cloud required for regular functionality, no vendor lock in. Follow us building in public Discord X Instagram Facebook Reddit newsletter YouTube oomwoo.com Tutorials Early build instructions will be available in Fall 2026…
read the full oomwoo overview →
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 →
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Frequently asked questions
Is oomwoo or OpenMQTTGateway more popular?
oomwoo has 12,969 GitHub stars and OpenMQTTGateway has 4,116. oomwoo has the larger community by that measure.
Are oomwoo and OpenMQTTGateway free?
Both are open source. oomwoo is licensed under Apache-2.0 and OpenMQTTGateway under GPL-3.0. Neither carries a licence fee.
What is the difference between oomwoo and OpenMQTTGateway?
oomwoo is written in Python and OpenMQTTGateway 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, oomwoo or OpenMQTTGateway?
Choose oomwoo if you want the larger community (12,969 stars) or its Apache-2.0 licence terms. Choose OpenMQTTGateway if its feature set, stack or GPL-3.0 licence fits better. Both are self-hostable.