One of the greatest tenants of amateur radio is the culture of testing and forwarding the radio art. Amateur radio has pioneered several modes and continue to bring new modes to amateur radio. Many of these modes enhance repeater operations and are, therefore, tracked by RepeaterBook.
Each section has a special page with just data and searches specific to those modes.
https://www.repeaterbook.com/repeaters/niche/index.php?mode=DMR
DMR is a digital mode. Only radios capable of this mode can work digital communications through a DMR repeater.