A lightweight alternative to Twilio Authy for generating and verifying one-time passwords. It supports HOTP and TOTP algorithms across Node.js, Deno, Bun, and browser environments without external dependencies.
Tech Stack
JavaScriptBackend & Auth
Why otpauth?
• Zero dependencies
• Cross-runtime support
• Small bundle size
Limitations
• No built-in SMS delivery
• Manual secret management
• No user management UI
3/2/2026
Last Update
83
Forks
6
Issues
MIT
License
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