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Head-to-head · Hardware Monitoring Software

Glassmkr vs smartmontools

  • Updated Oct 2026
  • Both researched from official sources
  • 2 checks side by side
Higher score Glassmkr #1 in Hardware Monitoring Software 9.3/10 Free plan Free plan✓ 1 of 2 features Visit Glassmkr
smartmontools #5 in Hardware Monitoring Software 8.5/10 Free plan Free plan✓ 0 of 2 features Visit smartmontools

Glassmkr leads on 0 checks, smartmontools on 0, and 2 are even. Who comes out ahead on the 2 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreGlassmkr · 9.3/10
  • Free planboth
  • Most featuresGlassmkr · 1 of 2

Glassmkr scores higher on our rubric for hardware monitoring software: 9.3 against 8.5 out of 10; our editors rank them #1 and #5.

Glassmkr is the better fit for free server fleet monitoring. smartmontools is the better fit for cross-platform drive health monitoring.

  • Glassmkr fits best

    Free server fleet monitoring

  • smartmontools fits best

    Cross-platform drive health monitoring

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature Glassmkr 9.3/10 Visit ↗ smartmontools 8.5/10 Visit ↗
At a glance
Editor score 9.3 8.5
Ranking #1 in Hardware Monitoring Software #5 in Hardware Monitoring Software
Best for Free server fleet monitoring Cross-platform drive health monitoring
Pricing model Free Free
Starting price Free Free plan
Free plan ✓ ✓
Free trial — —
Deployment Desktop, Self-hosted Self-hosted
Platforms Linux Windows, macOS, Linux
Features Glassmkr 1/2 · smartmontools 0/2
Remote monitoring ✓ (best) Not checked yet
Custom sensor support Not checked yet Not checked yet
Specs
Supported platforms linux, api, self_hosted Darwin (Mac OS X), Linux, FreeBSD, NetBSD, OpenBSD, Solaris, OS/2, Cygwin, QNX, eComStation, Windows
Monitored device limit 10 devices Not checked yet
Sensor history 90 days Not checked yet
Alert channels email, Telegram, Slack, Discord, PagerDuty, webhooks Not checked yet
Our review
Pros
  • Covers SMART, IPMI, RAID, ZFS, and operating-system metrics
  • Includes alert remediation, multiple notification channels, and AI analysis
  • Offers hosted or self-hosted deployment with a full read/write API
  • Covers ATA/SATA, SCSI/SAS, and NVMe SMART data
  • Supports polling, self-tests, logs, thresholds, and email warnings
  • Free and open source across Windows, macOS, Linux, and BSD systems
Cons
  • Hosted Glassmkr is limited to 10 nodes per account
  • Self-hosting requires databases, upgrades, backups, and TLS
  • Monitoring is centered on Linux and bare-metal server environments
  • Focused on storage devices rather than whole-system monitoring
  • Command-line tools require technical administration skills
  • No verified remote monitoring capability
Our verdict

Glassmkr is an open-source monitoring product for Linux and bare-metal servers. An agent collects hardware and operating-system metrics, including CPU, memory, network, security signals, SMART disk health, IPMI sensors and system event…

Read the review →

smartmontools is an open-source package for monitoring storage-device health through two core utilities: smartctl for command-line inspection and control, and smartd for periodic monitoring. It is intended for administrators and…

Read the review →
  1. GlassmkrHardware Monitoring Software 9.3Free plan
  2. smartmontoolsHardware Monitoring Software 8.5Free plan

Strengths and trade-offs

  • Glassmkr — where it wins

    • Covers SMART, IPMI, RAID, ZFS, and operating-system metrics
    • Includes alert remediation, multiple notification channels, and AI analysis
    • Offers hosted or self-hosted deployment with a full read/write API

    Where it doesn't

    • Hosted Glassmkr is limited to 10 nodes per account
    • Self-hosting requires databases, upgrades, backups, and TLS
    • Monitoring is centered on Linux and bare-metal server environments
  • smartmontools — where it wins

    • Covers ATA/SATA, SCSI/SAS, and NVMe SMART data
    • Supports polling, self-tests, logs, thresholds, and email warnings
    • Free and open source across Windows, macOS, Linux, and BSD systems

    Where it doesn't

    • Focused on storage devices rather than whole-system monitoring
    • Command-line tools require technical administration skills
    • No verified remote monitoring capability

More comparisons

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update