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- AndOTP github project is archived in june 2022: https://github.com/andOTP/andOTP
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InfluxDB
Purpose built for real-time analytics at any scale. InfluxDB Platform is powered by columnar analytics, optimized for cost-efficient storage, and built with open data standards.
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- OTP Authenticator is archived in jan 2023 https://github.com/0xbb/otp-authenticator
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DuOTP-android
small GPL3+ Android app that allows you to log in to some Duo-protected services with a standard OTP app
- DuOTP seems to have been abandoned for some years https://github.com/scintill/DuOTP-android
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Authenticator Pro, it has a nice ui and automatic encrypted backups.
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.