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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.
So actually there is a cool authenticator out there called "Authenticator Pro". Despite the snarky name it's actually open source and really cool since it has DOWNLOADABLE ENCRYPTED FILE BACKUPS, and it even has icons for most apps. Or you can add the icons yourself with a pull request.
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.