iStat Menus 5.11 (MacOSX)

iStat Menus lets you monitor your system right from the menubar. Included are 8 menu extras that let you monitor every aspect of your system.

iStat Menus lets you monitor your system right from the menubar. Included are 8 menu extras that let you monitor every aspect of your system.

Some features:
CPU -- Monitor cpu usage. 7 display modes, multiple core support.
Memory -- Monitor memory usage. 4 display modes, page ins/outs and swap usage display.
Disks -- Monitor disk usage and activity. 6 display modes, ability to hide disks you dont want to see.
Network -- Monitor current and total bandwidth, peak bandwidth, IP addresses, and the ability to hide network connections you don't want to see.
Temps -- Monitor the temperature of your Mac. 2 display modes, ability to hide sensors you don't want to see.
Fans -- Monitor the fan speeds in your Mac. 2 display modes, ability to hide sensors you don't want to see.
Bluetooth -- Control bluetooth status plus monitor the battery level of your Apple wireless keyboard or mouse.
Date & Time -- Date and time in your menubar. World clock display lets you see the time in multiple locations around the world.

What's New

Version 5.11:
Note: Version 5 is a paid upgrade of $9.99 from version 3 or 4.

Added
Support for OS X 10.11 El Capitan
Support for 2015 15-inch MacBook Pro
Ability to hide disk-activity graphs for individual drives
Options to use bold text for all dual-line menu-bar text modes (OS X 10.10 Yosemite and later only
History graphs for S.M.A.R.T. hard-drive sensors
Improved
Network monitoring
S.M.A.R.T. monitoring
Calendar-event display by filtering out disabled calendars from Calendar.app
Fixed
An issue with some history graphs being blank
Some display issues when using "Increase Contrast" accessibility option
Some issues with VPN connections
Removed
Declined events from Time drop-down
Requirements

Intel, 64-bit processor
OS X 10.8 or later

Home Page - http://bjango.com/mac/istatmenus/