-
osTicket
The osTicket open source ticketing system official project repository, for versions 1.8 and later
-
InfluxDB
Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
Osticket - https://osticket.com/ Runs on php. Simple to install.
Its not an "official" plugin direct from the osTicket team, but it does do your "modern authentication": https://github.com/cbasolutions/osTicket-Plugins/tree/master/auth-openid-MS
NOTE:
The number of mentions on this list indicates mentions on common posts plus user suggested alternatives.
Hence, a higher number means a more popular project.