OpenEnergyMonitor – open-source monitoring for energy

1. EmonLib

   1 19 598 0.0 C++

   Electricity monitoring library - install in Arduino IDE's libraries folder then restart the IDE

   

2. Nutrient

   nutrient.io featured

   Nutrient - The #1 PDF SDK Library. Bad PDFs = bad UX. Slow load times, broken annotations, clunky UX frustrates users. Nutrient’s PDF SDKs gives seamless document experiences, fast rendering, annotations, real-time collaboration, 100+ features. Used by 10K+ devs, serving ~half a billion users worldwide. Explore the SDK for free.

   

3. emoncms

   2 8 1,255 8.1 PHP

   Web-app for processing, logging and visualising energy, temperature and other environmental data

   

4. Home Assistant

   3 1,426 76,545 10.0 Python

   :house_with_garden: Open source home automation that puts local control and privacy first.

   

   I've had great success using home assistant's built in energy monitor dashboard and a ESP32 based power monitor from CircuitSetup. Home assistant supports exporting metrics via Prometheus which I then graph using grafana for fancier dashboarding.

   https://www.home-assistant.io/

   https://circuitsetup.us/product/expandable-6-channel-esp32-e...

5. esphome

   4 11 605 4.8 Python

   Custom component for ESPHome to add support for the Emporia Vue 2 energy monitor (by emporia-vue-local)

   

   Not Tasmotized--ESPHome!

   Instructions are at https://gist.github.com/flaviut/93a1212c7b165c7674693a45ad52..., and I'm around in the discussion forums at https://github.com/emporia-vue-local/esphome/discussions to help out with getting this set up.

   And I agree--it's really a great deal, and it's the only one of these products that comes with UL listing and can run open-source firmware.

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