System Monitor Mac Free

API commands and results


iStatistica supports GET requests to provide specific information:

Mac activity monitor app

XRG for Mac (free) – Talking about open sources, XRG for Mac is a functional system monitor tool that you could try if you do want to monitor your Mac’s performance for free. The UI is complex and needs a lot of time to get used to, and it also looks like something straight out of the 2000s era.


  1. WebWatcher for Mac begins monitoring and recording all historical activity discreetly and then sends it to your secure online account. Log into your WebWatcher account from any device to see all recorded data at your convenience from our intuitive web interface. See all activity organized in your online WebWatcher account.
  2. Download Simple System Monitor PC for free at BrowserCam. Darshan Parajuli published Simple System Monitor for Android operating system mobile devices, but it is possible to download and install Simple System Monitor for PC or Computer with operating systems such as Windows 7, 8, 8.1, 10 and Mac.

where xx.xx.xx.xx is the address of your mac and yyyy is the port defined in iStatistica settings.


  • summary_cpuLoad

    CPU utilization number

  • summary_cpuCores

    Number of physical cores

  • summary_cpuLogicalCores

    Number of logical cores

  • cpu_coresActivities

    JSON object containing each core utilization number

  • summary_memoryTotal / summary_memoryTotalText

    Total memory installed in bytes or as localized text

  • summary_memoryInactive / summary_memoryInactiveText

    Inactive memory

  • summary_memoryWired / summary_memoryWiredText

    Wired memory

  • summary_memoryFree / summary_memoryFreeText

    Free memory

  • summary_memoryUsed / summary_memoryUsedText

    Used memory

  • network_ipExternal

    External IP-address

  • network_ipGateway

    IP-address of a router

  • network_ipLocal

    Local IP address

  • network_macGateway

    Router MAC-address

  • network_macLocal

    Computer's MAC-address

  • network_speedDownload / network_speedDownloadText

    Current download speed. Bytes / Text values.

  • network_speedUpload / network_speedUploadText

    Current upload speed. Bytes / Text values.

  • network_downloaded / network_downloadedText

    Downloaded since restart. Bytes / Text values.

  • network_uploadedText / network_uploadedText

    Uploaded since restart. Bytes / Text values.

  • diskDrives

    JSON object containing all connected drives and free/used space

  • battery_isCharging

    Returns 1 if the battery is charging

  • battery_charge

    Current charge of the battery or UPC

  • battery_cyclesDesigned / battery_cyclesCurrent

    Number of cycles of the battery

  • sensors

    List all sensors and temperatures in C

  • fans

    List all fans and RPM data

  • diskIO_write / diskIO_writeText

    Bytes written to disk since restart

  • diskIO_read / diskIO_readText

    Bytes read from disk since restart

  • /

    Get all the data that iStatistica provides as a JSON object

Close unresponsive apps and processes

When your system is acting sluggish or simply not responding, an app or process may be the source of the problem. You can use Activity Monitor to locate the troublesome app or process and force it to quit.

See how much energy your Mac is using

Mac Activity Monitor

MacFree

You can find out how much energy your Mac is using, and see which apps or processes are using the most energy.

See real-time CPU, network, or disk status in the Dock

Mac Os Activity Monitor

Mac system monitor widget freeSystem Monitor Mac Free

It’s easy to keep an eye on your system status without even looking at the Activity Monitor window—you can monitor your CPU, network, or disk usage as a live graph right in the Dock.

To explore the Activity Monitor User Guide, click Table of Contents at the top of the page, or enter a word or phrase in the search field.