head to head · open source
integration vs EMS-ESP32
integration has 7,869 GitHub stars, 1,613 forks, 164 open issues and last shipped yesterday. EMS-ESP32 has 1,053 stars, 159 forks, 15 open issues and last shipped yesterday. integration leads on adoption by 647% (7,869 vs 1,053 stars). integration is written in Python under MIT; EMS-ESP32 is written in C++ under LGPL-3.0. integration has attracted 20% as many forks as stars, EMS-ESP32 15%. EMS-ESP32 was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (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.
← all 20902 open source comparisons
Side by side
| integration | EMS-ESP32 | |
|---|---|---|
| GitHub stars | ★ 7.9K | ★ 1.1K |
| License | MIT | LGPL-3.0 |
| Written in | Python | C++ |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 1.6K | ⑂ 159 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick integration if
- You weight community size — 7.9K stars and counting
- You want the MIT license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick EMS-ESP32 if
- You want the EMS-ESP32 feature set and don't need the biggest community
- You prefer the LGPL-3.0 license terms
- Your stack matches C++
- You evaluated both and EMS-ESP32 fits your workflow better
About integration
HACS (Home Assistant Community Store) Manage (Install, track, upgrade) and discover custom elements for Home Assistant directly from the UI. What? HACS is an integration that gives the user a powerful UI to handle downloads of custom needs. Highlights of what HACS can do: Help you discover new custom elements. Help you download new custom elements. Help you keep track of your custom elements. Manage(download/update/remove) Shortcuts to repositories/issue tracker Useful links General documentation Configuration FAQ GitHub Discord Become a GitHub sponsor? ❤️ BuyMe Coffee Beer? 🍺🙈 Issues If When you experience…
read the full integration overview →
About EMS-ESP32
EMS ESP EMS ESP is an open source firmware for the Espressif ESP32 microcontroller to communicate with EMS (Energy Management System) compatible equipment from manufacturers such as Bosch, Buderus, Nefit, Junkers, Worcester, Sieger, elm.leblanc and iVT. It requires a small circuit to interface with the EMS bus which can be purchased from . These gateways are tested thoroughly and certified to work with EMS ESP. 📦 Key Features Compatible with EMS, EMS+, EMS2, EMS Plus, Logamatic EMS, Junkers 2 wire, Heatronic 3 and 4 Supporting over 120 different EMS compatible devices such as thermostats, boilers, heat pumps…
read the full EMS-ESP32 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 integration or EMS-ESP32 more popular?
integration has 7,869 GitHub stars and EMS-ESP32 has 1,053. integration has the larger community by that measure.
Are integration and EMS-ESP32 free?
Both are open source. integration is licensed under MIT and EMS-ESP32 under LGPL-3.0. Neither carries a licence fee.
What is the difference between integration and EMS-ESP32?
integration is written in Python and EMS-ESP32 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, integration or EMS-ESP32?
Choose integration if you want the larger community (7,869 stars) or its MIT licence terms. Choose EMS-ESP32 if its feature set, stack or LGPL-3.0 licence fits better. Both are self-hostable.