Alternatives to Superbar 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
Cpu monitoring Custom widgets UI customization Colored Text ... Customizable Customize skin Hardware Monitoring Live Wallpapers Skinnable Add a feature

375 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
Geeky Hardware Monitoring Support for Multiple Monitors Network Monitoring ... Performance Monitoring Uptime Monitoring Add a feature

153 Like
iStat Menus

iStat is a series of system monitor apps. It's available in different versions: iStat Menus, iStat for iOS and iStat Server as a companion application to the iStat...

Commercial $ $ $ Mac iPhone
Hardware Monitoring Sits in the MenuBar Real-time monitoring System Info ... Fan speed control Graphs Hardware Monitoring Memory usage Remote monitoring Sits in the System Tray Add a feature

104 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
CPU temperature Network Monitoring Temperature Monitoring Hardware Monitoring ... System Info Add a feature

17 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

25 Like
GKrellM

GKrellM is a single process stack of system monitors which supports applying themes to match its appearance to your window manager, Gtk, or any other theme.

Free Open Source Mac Windows Linux
Config by GUI instead of text file Hardware Monitoring System Info Add a feature

19 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
Display info on the menubar Hardware Monitoring Add a feature

9 Like
Activity Monitor

Activity Monitor displays information about all the processes running on your Mac, including CPU, disk, memory, and network usage. You can see exactly how your...

Free Mac
Memory usage Network Monitoring Process Monitoring System Info Add a feature

10 Like
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Atmonitor

Mac OS X System Monitor and Process Explorer Tool atMonitor is the most advanced monitoring tool for Mac OS X that displays system activity in real-time. It is designed...
- Discontinued
  The official website is no longer available. Last version, 2.7.1, released on August 2012, can be still downloaded from Wayback Machine.
Free Mac
Hardware Monitoring Add a feature

19 Like
XRG

XRG is an open source system monitor for Mac OS X. XRG allows you to monitor CPU activity, memory usage, battery status, machine temperature, network activity, disk I/O...

Free Open Source Mac
Hardware Monitoring Memory usage Network Monitoring System Info Add a feature

7 Like