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macmonPower Monitor
Free

Free, with source published on GitHub.

 Free

Free and open source under the Apache 2.0 licence.

macOS, Command line macOS
  • No sudo needed, unlike powermetrics
  • Shows CPU, GPU and Neural Engine power draw
  • Real-time power consumption readings
  • Carbon footprint estimate based on location
  • Apple Silicon Macs only
  • Relies on a private macOS API that could change
  • macOS only
  • No formal GitHub releases
Downloadable app Downloadable app
Open source Open source
License not stated License: Apache-2.0
No account needed Not stated if an account is needed
Works offline Not stated if it works offline

Checked September 24, 2026

Checked October 2, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.