head to head · open source
espectre vs bermuda
espectre has 9,388 GitHub stars, 709 forks, 13 open issues and last shipped yesterday. bermuda has 2,038 stars, 74 forks, 127 open issues and last shipped yesterday. espectre leads on adoption by 361% (9,388 vs 2,038 stars). espectre is written in Python under GPL-3.0; bermuda is written in Python under MIT. espectre has attracted 8% as many forks as stars, bermuda 4%. espectre was the more recently maintained of the two, and both are self-hostable with no licence fee.
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
| espectre | bermuda | |
|---|---|---|
| GitHub stars | ★ 9.4K | ★ 2.0K |
| License | GPL-3.0 | MIT |
| Written in | Python | Python |
| Last push | 2026-09-21 | 2026-09-21 |
| Forks | ⑂ 709 | ⑂ 74 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick espectre if
- You weight community size — 9.4K stars and counting
- You want the GPL-3.0 license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick bermuda if
- You want the bermuda feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Python
- You evaluated both and bermuda fits your workflow better
About espectre
ESPectre is an open source Wi Fi CSI motion sensing platform that turns a supported ESP32 board into a private, local motion sensor reporting movement in real time, and it is built for embedded developers, Home Assistant users, and DIY builders who want room level sensing without cameras, microphones, wearables, or dedicated radar hardware.
read the full espectre overview →
About bermuda
Bermuda is a Home Assistant custom integration, distributed through HACS, that tracks Bluetooth Low Energy devices by room using ESPHome Bluetooth Proxies and Shelly Gen2 or later devices — built for smart home owners who want area level or home/not home presence without buying dedicated tracking hardware.
read the full bermuda overview →
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Frequently asked questions
Is espectre or bermuda more popular?
espectre has 9,388 GitHub stars and bermuda has 2,038. espectre has the larger community by that measure.
Are espectre and bermuda free?
Both are open source. espectre is licensed under GPL-3.0 and bermuda under MIT. Neither carries a licence fee.
What is the difference between espectre and bermuda?
espectre is written in Python and bermuda in Python. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, espectre or bermuda?
Choose espectre if you want the larger community (9,388 stars) or its GPL-3.0 licence terms. Choose bermuda if its feature set, stack or MIT licence fits better. Both are self-hostable.