head to head · open source
espectre vs ha-fusion
espectre has 9,455 GitHub stars, 715 forks, 13 open issues and last shipped 2 days ago. ha-fusion has 3,018 stars, 176 forks, 128 open issues and last shipped 3 months ago. espectre leads on adoption by 213% (9,455 vs 3,018 stars). espectre is written in Python under GPL-3.0; ha-fusion is written in Svelte under MIT. espectre has attracted 8% as many forks as stars, ha-fusion 6%. espectre 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 | ha-fusion | |
|---|---|---|
| GitHub stars | ★ 9.5K | ★ 3.0K |
| License | GPL-3.0 | MIT |
| Written in | Python | Svelte |
| Last push | 2026-10-01 | 2026-07-07 |
| Forks | ⑂ 715 | ⑂ 176 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick espectre if
- You weight community size — 9.5K 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 ha-fusion if
- You want the ha-fusion feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Svelte
- You evaluated both and ha-fusion 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 ha-fusion
ha fusion is a modern, easy to use and performant custom dashboard for Home Assistant, written in Svelte under the MIT licence, for home automation users who want to design their own dashboard views and open them from any browser.
read the full ha-fusion overview →
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Frequently asked questions
Is espectre or ha-fusion more popular?
espectre has 9,455 GitHub stars and ha-fusion has 3,018. espectre has the larger community by that measure.
Are espectre and ha-fusion free?
Both are open source. espectre is licensed under GPL-3.0 and ha-fusion under MIT. Neither carries a licence fee.
What is the difference between espectre and ha-fusion?
espectre is written in Python and ha-fusion in Svelte. 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 ha-fusion?
Choose espectre if you want the larger community (9,455 stars) or its GPL-3.0 licence terms. Choose ha-fusion if its feature set, stack or MIT licence fits better. Both are self-hostable.