-
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.
I've found a SAML integration for pfSense on Github (https://github.com/jaredhendrickson13/pfsense-saml2-auth), but I don't think custom third party plugins will simply "work" in OPNSense.
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.