My very important 2 factor authentication code was on a phone that is probably lost forever, what can I do?

This page summarizes the projects mentioned and recommended in the original post on /r/PrivacyGuides
Authenticator Totp Android OTP Authentication

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  • 2fast

    Two-Factor Authenticator Supporting TOTP (Windows 10 & Android, iOS, Linux and macOS App)

    • If money is an issue, on Windows, there is https://github.com/2fast-team/2fast which can be installed for free on Microsoft Store (https://www.microsoft.com/store/apps/9p9d81glh89q).

  • Aegis

    A free, secure and open source app for Android to manage your 2-step verification tokens.

    • I recommend using Aegis instead of Google Authenticator, because you can actually back up your data, or have it on multiple devices.

  • 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.

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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.

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