psutil

The premium Open Source alternative to SIGAR

🎯 Best for:Developers building custom monitoring agents or system management scripts in Python.
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What is psutil?

A cross-platform library for retrieving information on running processes and system utilization in Python. It provides a unified API for CPU, memory, disks, network, and sensors across Linux, Windows, and macOS.

Tech Stack
PythonMonitoring & Logs

Why psutil?

  • Comprehensive system metrics
  • Stable and mature API
  • No external dependencies

Limitations

  • Library only (no UI)
  • Requires C compilation
  • Python performance overhead
3/6/2026
Last Update
1,464
Forks
363
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BSD-3-Clause
License
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Competitor Cost
-$1,440
/ year (est. based on SIGAR)
Self-Hosted
$0
/ year
Team Size10 Users
150+
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