head to head · open source
oomwoo vs espectre
oomwoo has 11,092 GitHub stars, 694 forks, 3 open issues and last shipped yesterday. espectre has 9,388 stars, 709 forks, 13 open issues and last shipped yesterday. oomwoo leads on adoption by 18% (11,092 vs 9,388 stars). oomwoo is written in Python under Apache-2.0; espectre is written in Python under GPL-3.0. oomwoo has attracted 6% as many forks as stars, espectre 8%. 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
| oomwoo | espectre | |
|---|---|---|
| GitHub stars | ★ 11K | ★ 9.4K |
| License | Apache-2.0 | GPL-3.0 |
| Written in | Python | Python |
| Last push | 2026-09-21 | 2026-09-21 |
| Forks | ⑂ 694 | ⑂ 709 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick oomwoo if
- You weight community size — 11K 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 espectre if
- You want the espectre feature set and don't need the biggest community
- You prefer the GPL-3.0 license terms
- Your stack matches Python
- You evaluated both and espectre fits your workflow better
About oomwoo
OOMWOO is an open source robot vacuum cleaner that you build yourself from a Raspberry Pi CM4 or CM5, 3D printed parts, Arduino and ESP32 electronics, and ROS2 software, aimed at makers and Home Assistant users who want a local, cloud free cleaning robot they can hack, repair, and extend.
read the full oomwoo overview →
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 →
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Frequently asked questions
Is oomwoo or espectre more popular?
oomwoo has 11,092 GitHub stars and espectre has 9,388. oomwoo has the larger community by that measure.
Are oomwoo and espectre free?
Both are open source. oomwoo is licensed under Apache-2.0 and espectre under GPL-3.0. Neither carries a licence fee.
What is the difference between oomwoo and espectre?
oomwoo is written in Python and espectre 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, oomwoo or espectre?
Choose oomwoo if you want the larger community (11,092 stars) or its Apache-2.0 licence terms. Choose espectre if its feature set, stack or GPL-3.0 licence fits better. Both are self-hostable.