Side by side

GKrellM vs OhmGraphite

Both stand on hardware monitoring software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.

GKrellM

Free plan LinuxMacWindows

GKrellM combines a wide set of system monitors with charts, alarms, themes, and plugin support. Check the application requirements and sensor dependencies for the platform and readings you need.

Visit GKrellM

OhmGraphite provides a direct route from Windows hardware sensors to several monitoring back ends. Its usefulness depends on available sensors and willingness to configure a metric store and visualization system.

Visit OhmGraphite

The facts

	GKrellM	OhmGraphite
Free plan	Yes	Yes
Open source	Not published	Not published
Runs on	Linux, Mac, Windows	Windows
Lowest paid plan	Free or on request	Free or on request
Plans published	1	1
Maker	Not published	Not published
Website	billw2.github.io	github.com
On hardware monitoring software	#7 of 59	#47 of 59

GKrellM: what it does well

Monitors CPU, memory, disks, networks, and other system areas.
Charts offer automatic or fixed scaling.
Sensor and battery monitors can show configurable alarms.
Supports themes and plugins for specialized monitors.
Available for several Unix-like systems, with a Windows version linked.

What to know first

The application requires GTK 2.0, GDK 2.0, and GLib 2.0.
Linux sensor readings may depend on hardware and additional software.
No security certification or compliance standard is stated.

OhmGraphite: what it does well

Free Windows service
Supports five metric-store destinations
Exports broad hardware measurements
Prometheus scrape mode available
Sensor names and categories are configurable

What to know first

Sensor availability depends on hardware
PawnIO is needed for some readings
Postgres schemas and columns cannot be configured
Requires metric-store and dashboard setup

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