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Head-to-head · Hardware Monitoring Software

Glassmkr vs NVIDIA Data Center GPU Manager

  • 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

Glassmkr leads on 0 checks, NVIDIA Data Center GPU Manager 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

Glassmkr scores higher on our rubric for hardware monitoring software: 9.3 against 8.8 out of 10; our editors rank them #1 and #4.

Glassmkr is the better fit for free server fleet monitoring. NVIDIA Data Center GPU Manager is the better fit for NVIDIA data-center GPU operations.

  • Glassmkr fits best

    Free server fleet monitoring

  • NVIDIA Data Center GPU Manager fits best

    NVIDIA data-center GPU operations

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Side by side

Feature Glassmkr 9.3/10 Visit ↗ NVIDIA Data Center GPU Manager 8.8/10 Visit ↗
At a glance
Editor score 9.3 8.8
Ranking #1 in Hardware Monitoring Software #4 in Hardware Monitoring Software
Best for Free server fleet monitoring NVIDIA data-center GPU operations
Pricing model Free Free
Starting price Free Free plan
Free plan ✓ ✓
Free trial — —
Deployment Desktop, Self-hosted Self-hosted
Platforms Linux Linux
Integrations 6 integrations 2 integrations
Features Glassmkr 1/2 · NVIDIA Data Center GPU Manager 1/2
Remote monitoring ✓ ✓
Custom sensor support Not checked yet Not checked yet
Specs
Supported platforms linux, api, self_hosted Linux; API; self-hosted
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
  • Detailed telemetry for utilization, temperature, power, clocks, and errors
  • Health monitoring, diagnostics, policies, configuration, and workload statistics
  • Prometheus, Kubernetes, Helm, and multiple programming-language APIs
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 Linux systems with NVIDIA GPUs
  • Some diagnostics and tests remain proprietary
  • Deployment targets bare-metal or full-passthrough virtualized environments
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 →

NVIDIA Data Center GPU Manager (DCGM) is a host-level software suite for monitoring, validating, managing, and integrating NVIDIA GPUs in data-center and cluster environments. It is designed for infrastructure teams, system administrators,…

Read the review →
  1. GlassmkrHardware Monitoring Software 9.3Free plan
  2. NVIDIA Data Center GPU ManagerHardware Monitoring Software 8.8Free 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
  • NVIDIA Data Center GPU Manager — where it wins

    • Detailed telemetry for utilization, temperature, power, clocks, and errors
    • Health monitoring, diagnostics, policies, configuration, and workload statistics
    • Prometheus, Kubernetes, Helm, and multiple programming-language APIs

    Where it doesn't

    • Focused on Linux systems with NVIDIA GPUs
    • Some diagnostics and tests remain proprietary
    • Deployment targets bare-metal or full-passthrough virtualized environments
  • Glassmkr9.3/10 · Free plan

    Free monitoring for Linux hardware, with hosted simplicity or self-hosted control.

    Visit GlassmkrFull verdict →
  • NVIDIA Data Center GPU Manager8.8/10 · Free plan

    A specialized Linux toolkit for operating NVIDIA GPUs across data-center and cluster environments.

    Visit NVIDIAFull verdict →

More comparisons

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update