freeotp/freeotp-android
freeotp/freeotp-android has 1,683 GitHub stars and 349 forks. GitHot measured 0 stars in 24 hours. Last checked 2026-11-07 03:19 UTC. Last push 2026-10-27.
FreeOTP is a two-factor authentication application for systems utilizing one-time password protocols. Tokens can be added easily by scanning a QR code.
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README.md
Original
FreeOTP
FreeOTP is a two-factor authentication application for systems utilizing one-time password protocols. Tokens can be added easily by scanning a QR code.
FreeOTP implements open standards:
- HOTP (HMAC-Based One-Time Password Algorithm) RFC 4226
- TOTP (Time-Based One-Time Password Algorithm) RFC 6238
This means that no proprietary server-side component is necessary: use any server-side component that implements these standards.
Screenshots
Download FreeOTP for Android
Contributing
Pull requests on GitHub are welcome under the Apache 2.0 license, see CONTRIBUTING for more details.
Permissions
The FreeOTP app uses the following permissions
| Permission | Usage | Required | Permission type |
|---|---|---|---|
| Camera | Recognition of QR codes | No | Dangerous |
| Internet | Token image provisioning | No | Normal |
Alternatives
Here are some open-source alternative apps providing similar functionality:
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