head to head · open source
operating-system vs Expandable-6-Channel-ESP32-Energy-Meter
operating-system has 7,492 GitHub stars, 1,293 forks, 95 open issues and last shipped 2 days ago. Expandable-6-Channel-ESP32-Energy-Meter has 690 stars, 133 forks, 18 open issues and last shipped 21 days ago. operating-system leads on adoption by 986% (7,492 vs 690 stars). operating-system is written in Python under Apache-2.0; Expandable-6-Channel-ESP32-Energy-Meter is written in C++ under MIT. operating-system has attracted 17% as many forks as stars, Expandable-6-Channel-ESP32-Energy-Meter 19%. operating-system 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
| operating-system | Expandable-6-Channel-ESP32-Energy-Meter | |
|---|---|---|
| GitHub stars | ★ 7.5K | ★ 690 |
| License | Apache-2.0 | MIT |
| Written in | Python | C++ |
| Last push | 2026-09-23 | 2026-09-04 |
| Forks | ⑂ 1.3K | ⑂ 133 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick operating-system if
- You weight community size — 7.5K 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 Expandable-6-Channel-ESP32-Energy-Meter if
- You want the Expandable-6-Channel-ESP32-Energy-Meter feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches C++
- You evaluated both and Expandable-6-Channel-ESP32-Energy-Meter fits your workflow better
About operating-system
The Home Assistant Operating System is a Linux based operating system built specifically to host Home Assistant and its Apps, intended for people running Home Assistant on a single board computer such as a Raspberry Pi or ODROID, or on an x86 64 machine with UEFI firmware.
read the full operating-system overview →
About Expandable-6-Channel-ESP32-Energy-Meter
The CircuitSetup Expandable 6 Channel ESP32 Energy Meter is a hardware and software documentation project for a real time power and energy monitor built around two ATM90E32AS metering ICs, intended for homeowners, electricians and home automation users working with ESPHome and Home Assistant.
read the full Expandable-6-Channel-ESP32-Energy-Meter overview →
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Frequently asked questions
Is operating-system or Expandable-6-Channel-ESP32-Energy-Meter more popular?
operating-system has 7,492 GitHub stars and Expandable-6-Channel-ESP32-Energy-Meter has 690. operating-system has the larger community by that measure.
Are operating-system and Expandable-6-Channel-ESP32-Energy-Meter free?
Both are open source. operating-system is licensed under Apache-2.0 and Expandable-6-Channel-ESP32-Energy-Meter under MIT. Neither carries a licence fee.
What is the difference between operating-system and Expandable-6-Channel-ESP32-Energy-Meter?
operating-system is written in Python and Expandable-6-Channel-ESP32-Energy-Meter 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, operating-system or Expandable-6-Channel-ESP32-Energy-Meter?
Choose operating-system if you want the larger community (7,492 stars) or its Apache-2.0 licence terms. Choose Expandable-6-Channel-ESP32-Energy-Meter if its feature set, stack or MIT licence fits better. Both are self-hostable.