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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.
If you deploy and maintain your own fleet of cards then you could do this. There's an open source FIDO2 applet implementation at https://github.com/martinpaljak/FIDO2
You could also use PIV/PKCS11 client certificates if it's for internal systems you run - there is reasonably good support for using client certificates in popular browsers from a smartcard, as this is used for DOD CACs.
NOTE:
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Hence, a higher number means a more popular project.