head to head · open source
espectre vs HomeAssistant-OctopusEnergy
espectre has 9,728 GitHub stars, 739 forks, 13 open issues and last shipped yesterday. HomeAssistant-OctopusEnergy has 1,037 stars, 122 forks, 59 open issues and last shipped yesterday. espectre leads on adoption by 838% (9,728 vs 1,037 stars). espectre is written in Python under GPL-3.0; HomeAssistant-OctopusEnergy is written in Python under MIT. espectre has attracted 8% as many forks as stars, HomeAssistant-OctopusEnergy 12%. HomeAssistant-OctopusEnergy 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.
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Side by side
| espectre | HomeAssistant-OctopusEnergy | |
|---|---|---|
| GitHub stars | ★ 9.7K | ★ 1.0K |
| License | GPL-3.0 | MIT |
| Written in | Python | Python |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 739 | ⑂ 122 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick espectre if
- You weight community size — 9.7K 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 HomeAssistant-OctopusEnergy if
- You want the HomeAssistant-OctopusEnergy feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Python
- You evaluated both and HomeAssistant-OctopusEnergy fits your workflow better
About espectre
ESPectre Turn an ESP32 into a private, local Wi Fi motion sensor. When someone moves through a room, they change the way Wi Fi signals travel through it. ESPectre reads those changes and reports motion in real time. No camera, no microphone, no wearable, and no dedicated radar hardware: just a supported ESP32 and the Wi Fi network already in the room. ESPectre is an open source platform that brings together ready to flash firmware, an embeddable C++ SDK, a MicroPython implementation, browser tools, a host CLI, an open dataset, open model weights, and the research workflow used to build and validate the…
read the full espectre overview →
About HomeAssistant-OctopusEnergy
Home Assistant Octopus Energy Home Assistant Octopus Energy Features How to install HACS Manual How to setup Docs FAQ Sponsorship Custom component built from the ground up to bring your Octopus Energy details into Home Assistant to help you towards a more energy efficient (and or cheaper) home. This integration is built against the API provided by Octopus Energy UK and has not been tested for any other countries. This integration is in no way affiliated with Octopus Energy. If you find this useful and are planning on moving to Octopus Energy, why not use my referral link? Features Below are the main features of…
read the full HomeAssistant-OctopusEnergy overview →
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Frequently asked questions
Is espectre or HomeAssistant-OctopusEnergy more popular?
espectre has 9,728 GitHub stars and HomeAssistant-OctopusEnergy has 1,037. espectre has the larger community by that measure.
Are espectre and HomeAssistant-OctopusEnergy free?
Both are open source. espectre is licensed under GPL-3.0 and HomeAssistant-OctopusEnergy under MIT. Neither carries a licence fee.
What is the difference between espectre and HomeAssistant-OctopusEnergy?
espectre is written in Python and HomeAssistant-OctopusEnergy 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 HomeAssistant-OctopusEnergy?
Choose espectre if you want the larger community (9,728 stars) or its GPL-3.0 licence terms. Choose HomeAssistant-OctopusEnergy if its feature set, stack or MIT licence fits better. Both are self-hostable.