+ Alerts Widget: show all alert not notifications.
+ Availability Map: Shows all devices with colored tiles, green up, yellow for warning (device has been restarted in last 24 hours),red for down. You can also list all services and ignored/disabled devcies in this widget.
+ Componet Status: List all componets Ok state, Warning state, Critical state.
+ Device Summary horizontal: List device totals, up, down, ignored, disabled. Same for ports and services.
+ Device Summary vertical: List device totals, up, down, ignored, disabled. Same for ports and services.
+ Eventlog: Shows all events with your devices and LibreNMS.
+ External Image: can be used to show external images on your dashboard.
+ Globe Map: Will display map of the globe.
+ Graph: Can be used to display graphs from devices.
+ Graylog: Lists all Graylog's syslog entries.
+ Notes: use for html tags, embed links and external web pages.
+ Syslog: lists all syslog entries.
+ Top Devices: By Traffic, or Uptime, or Response time, or Poller Duration, or Procssor load, or Memory Usage.
+ Top Interfaces: Lists top interfaces.
+ Worldmap: displays all your devices locations. From syslocation or from override sysLocation.