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cOTP

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cOTP

Free

Command-line TOTP/HOTP authenticator · GPL-3.0

Every plan, in full

On the record

Aegis imports
cOTP can import encrypted Aegis backups using AES-GCM.github.com · read 12 Oct 2026
Code type
totp and hotpgithub.com · read 22 Sep 2026
Code types
It generates TOTP and HOTP codes compliant with RFC 6238 and RFC 4226.github.com · read 12 Oct 2026
Command line
The README documents commands to add, edit, list, extract, import, and export OTP codes, including JSON listing and password input through stdin.github.com · read 12 Oct 2026
Custom codes
Users can customize the HMAC algorithm and number of digits, and the README also lists Steam, Yandex, and MOTP support.github.com · read 12 Oct 2026
Database location
The default database path is $HOME/.cotp/db.cotp, and users can set another path with COTP_DB_PATH or --database-path.github.com · read 12 Oct 2026
Encrypted backup
Yesgithub.com · read 22 Sep 2026
Encryption
The database file uses XChaCha20Poly1305 authenticated encryption and Argon2id key derivation.github.com · read 12 Oct 2026
Interface
The interactive dashboard lets users select a code with arrow keys and copy it to the clipboard.github.com · read 12 Oct 2026
Linux install
The README says cOTP is distributed through some Linux distribution repositories and documents installation from source with Rust tooling.github.com · read 12 Oct 2026
macOS install
The README documents installing cOTP on macOS with Homebrew.github.com · read 12 Oct 2026
Migration
The README lists imports from andOTP, Aegis, Authy, cOTP, FreeOTP, FreeOTP+, Google Authenticator, Microsoft Authenticator, and OTP URI lists.github.com · read 12 Oct 2026
Project scope
The maintainer says they created cOTP for their own needs and welcome pull requests.github.com · read 12 Oct 2026
Purpose
cOTP is an encrypted, command-line TOTP/HOTP authenticator with import functionality.github.com · read 12 Oct 2026
Supported platforms
linux,windows,macosgithub.com · read 22 Sep 2026
Windows install
The README says Windows builds support the x86_64 GNU and MSVC toolchains.github.com · read 12 Oct 2026

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