DDM Explorer vs NTP Inspector

Jamf DDM Explorer is an app built to help IT administrators learn and understand Apple’s Declarative Device Management framework, allowing users to browse published declaration types compatible for both currently-shipping operating systems, as well as pre-release beta declarations published in available GitHub branches. Use this app for same-day declaration building as soon as documentation is released for available beta operating system versions. Browse and build payloads in a brand-new Declaration Explorer editor for deployment as custom declarations to test devices, and deploy with your device management system for testing. All declaration objects are sourced directly from Apple’s GitHub, allowing for loading pre-release branch documentation, when available. Once declarations are deployed and activated, use the Status Explorer view to view your test device’s current declarative status reports, including available status subscriptions. Status documentation is also built in-line with the Status Explorer viewer for reference. Note: Features such as reading a test device’s status reports require an integration with Jamf Pro.

NTP Inspector is an application that allows you to check servers running the NTP protocol over the Internet and report some basic information. It sends an NTP packet from your device to the server and reports backs almost everything included in the response, like the protocol version, mode, the server Stratum, its precision, reference time, as well as whether there is a leap second today or not. With this app you can troubleshoot NTP servers from anywhere, as seen from your device, and not a remote server, with complete privacy. The app was created when I received an alert for one of my NTP pool servers while outside and without laptop access, with no other option to query it to see what's wrong.