Widgets used to reside in Dashboard, which arrived on the Mac back in 2005 with Mac OS X Tiger. There they remained until the launch of Mac OS X Yosemite in 2014, when they moved to Notification. The two ways to access widgets in macOS Big Sur are: Click on the time and date in the top right-hand corner. Two-finger swipe-left on your trackpad. How To Add Dashboard Widgets To Mac Desktops Using macOS High Sierra or Sierra. Move Mac Dashboard Widgets To Desktop in macOS High Sierra 10.13 or Sierra 10.12.
API commands and results
9 Mac Dashboard Widgets You'll Actually Use 1. PCalc: For Advanced Calculations. The calculator widget that comes with Dashboard is quite basic. If you prefer a. DashNote: For Simplenote Notes. DashNote lets you create, edit, delete, pin, and search your Simplenote notes from.
iStatistica supports GET requests to provide specific information:

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.
Mac Widget Games

Mac Widget Screen
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
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Get all the data that iStatistica provides as a JSON object