siomon

At a glance

• Editor score
  6.7 / 10
• Pricing
  Free plan
• Best for
  Linux terminal sensor sessions
• Free plan
  Yes
• Paid from
  Free
• Facts checked
  24 Sep 2026

• Where it wins

  • Real-time terminal dashboard with configurable threshold alerts
  • Broad CPU, GPU, storage, network, PCI, USB, and battery details
  • Session statistics plus CSV, JSON, XML, and HTML output

• Where it doesn't

  • Linux-only, with no cross-platform option
  • Focused on local monitoring rather than remote fleet management
  • No retained sensor history or external alert channels

Our verdict on siomon

siomon is an open-source command-line and terminal user-interface tool for Linux hardware information and real-time sensor monitoring. It suits system administrators, developers, and technically minded Linux users who want detailed visibility from a terminal session. The software covers CPU, memory, motherboard, GPU, storage, network, audio, USB, battery, PCI, and PCIe information, alongside kernel-exported temperatures, fan speeds, voltages, power, and current readings.

Its strongest feature is the combination of live monitoring and session-level analysis. The interactive dashboard can track min, max, and average values during a monitoring session, while configurable thresholds provide alerts for important sensor changes. CSV logging supports later review, and JSON, XML, and HTML output make the collected information easier to incorporate into scripts, reports, or other workflows. Persistent TOML configuration and sensor label overrides add control for recurring local sessions.

The product keeps its scope narrow: it is built for local Linux monitoring rather than remote infrastructure management. The published feature set does not include retained sensor history, device limits, external alert channels, or custom sensor definitions, and its platform support is limited to Linux. A single static binary without mandatory runtime dependencies can simplify deployment on supported systems, but siomon remains a terminal-first tool rather than a broader monitoring platform. Choose it for detailed, configurable hardware sessions on Linux; choose an alternative if you need centralized remote monitoring, cross-platform coverage, or integrated alert delivery.

Your product? Our editors can test siomon in depth and publish a review, labelled as paid · from $149/mo →

siomon pricing

siomon fact sheet

Alternatives to siomon

• GlassmkrFree monitoring for Linux hardware, with hosted simplicity or self-hosted control.9.3
• SSSupermicro SuperDoctor 5A free, focused monitor for Supermicro server health, alerts, logs, and remote power control.9.2
• HHWiNFOA deep Windows diagnostics suite for users who need detailed sensors, reports, and alerts.9.1

See all siomon alternatives →

Featured on iTechGuides

siomon is listed in our Hardware Monitoring Software directory. Add the badge to your site — it links back to this page.

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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

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Last updated 7 Oct 2026 · How we research and update