Alternatives to GKrellM for all platforms with any license

Rainmeter

Rainmeter allows you to display customizable skins on your desktop, from hardware usage meters to fully functional audio visualizers. You are only limited by your...

Free Open Source Windows
UI customization Colored Text Custom widgets Customizable ... Hardware Monitoring Live Wallpapers Skinnable Add a feature

362 Like
Conky

Conky is a free, light-weight system monitor for X, that displays any kind of information on your desktop. Originally a fork of Torsmo, Conkys torsmo-based code is BSD...

Free Open Source Linux BSD
Hardware Monitoring Support for Multiple Monitors Network Monitoring Performance Monitoring ... Uptime Monitoring Add a feature

151 Like
MenuMeters for El Capitan

This is a port to OS X El Capitan 10.11 of MenuMeters by Alex Harper. MenuMeters is a set of CPU, memory, disk, and network...

Free Open Source Mac
Hardware Monitoring System Info Add a feature

15 Like
GeekTool

GeekTool is an application for Mac OS 10.6+. It lets you display various kinds of information on your desktop via 3 default plug-ins: * File plugin to monitor MacOS X...

Free Mac
Applescript Hardware Monitoring Add a feature

24 Like
Moss

Moss is a live wallpaper, an alternative to Conky for Android. It provides system statistics such as uptime, cpu usage, network usage, top processes, and battery level.

Free Open Source Android Android Tablet
Outside temperature System Info Add a feature

7 Like
XWidget

XWidget is a free desktop customization platform. It’s light, handy with powerful visual widget editor and very subtle animations. The Android page is found here:...

Free Windows Android Android Tablet
Configurable Lightweight Portable Add a feature

27 Like
BitBar

The BitBar app lets you put the output from any script or program right in your Mac OS X menu bar. And it's completely free. An impressive number of plugins have...

Free Open Source Mac
Hardware Monitoring Add a feature

8 Like
Bginfo

How many times have you walked up to a system in your office and needed to click through several diagnostic windows to remind yourself of important aspects of its...

Free Windows
No features added Add a feature

17 Like
MiniUsage

MiniUsage displays various data like CPU usage, amount of network flow, battery status and process names which uses much CPU time in a menubar. It takes little space and...
- Discontinued The program seems to be no longer updated. Last version, 3.0.0, released in April 2015, can be still downloaded from the official website, but it doesn’t work on macOS 10.13
Free Mac
Hardware Monitoring Network Monitoring Add a feature

5 Like
iPulse

Using its concise and appealing user interface, iPulse graphically displays the inner workings of OS X on your desktop, menu bar or Dock.

Commercial Mac
Hardware Monitoring Add a feature

5 Like
Nerdtool

NerdTool is a GeekTool-like application that displays information directly on your desktop.

Free Open Source Mac
Clock widget Configurable Customizable Customizing ... System Info Add a feature

4 Like
KLWP Live Wallpaper Maker

Create you own designs and display any data you need, at once, and with wonderful animations too! If you were looking for Rainmeter or Conky on Android, this is it! ...

Freemium Android Android Tablet
Configurable Hardware Monitoring Add a feature

4 Like
Moo0 System Monitor

Lets you keep your eye on system resource usages of your PC. It supports 43 kinds of information including CPU, Memory, Network, and detailed HDD usages, so you may...

Free Personal Windows
Hardware Monitoring Portable System analysis Temperature Monitoring ... Web-Based Add a feature

4 Like
Cysboard

Cysboard - A lightweight system monitor similar to conky with html and css for themes

Free Linux
No features added Add a feature

1 Like
BGINFO4X

BGINFO for X, also called BGINFO4X, is a clone of the popular program BGINFO for Windows created by Sysinternals. You can refer it as BGINFO for Linux, BGINFO for Unix...

Free Open Source Mac Windows Linux Android iPhone ... Windows RT
System Info Add a feature

4 Like