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OpenOTP

github.comInfrastructure

PulseGate's liveness check found it on 16 Sep 2026; it is registered on Firefox Add-ons and has been in the index since 16 Sep 2026. How this is checked

OpenOTP is an open-source authentication tool for generating or validating one-time passwords. It is intended for developers and users who need an additional authentication factor, with distribution indicated through a Firefox Add-ons listing.

Inferred · not functionally tested

Open SourceWebEmbeddableSelf-hosted
OpenOTP preview
Visit github.com

Overview

4 features

Purpose: Generating and validating one-time passwords for stronger user authentication.

Inferred · not functionally tested

Audience: developers and security-conscious users

Inferred · not functionally tested

Functions: Unknown

Interfaces: API: unknown · MCP: unknown · CLI: unknown · Self-hosting: indicated (inferred, not tested)

Recorded constraints: pricing: open_source · license: Open Source · platforms: WEB · deployment: browser, embeddable, self_hosted

Constraint provenance is unknown; confirm requirements with the publisher.

Record sources: github.com · addons.mozilla.org. These links do not verify the individual claims.

OpenOTP sits in PulseGate's Auth & identity category. Inferred · not functionally tested: It focuses on generating and validating one-time passwords for stronger user authentication. Inferred · not functionally tested: OpenOTP is an open-source project aimed at developers and security-conscious users. Basis unknown · not verified: The project is open source (Open Source). Basis unknown · not verified: It runs on the web and embeddable surfaces, and it can be self-hosted.

It is developed by spynetS, and it first shipped in 2025. Inferred · not functionally tested: Among its 4 catalogued features are OTP generation, OTP validation, and two-factor authentication.

Summary written by a language model from the project’s public pages.

Tasks: Inferred · not functionally tested

  • OTP generation
  • OTP validation
  • Two-factor authentication
  • Firefox integration

Topics: Inferred · not functionally tested

Tags
one-time-passwordstwo-factor-authenticationauthenticationfirefox-addon

JSON profile · Text profile · Access guide

Built with & integrations

Runs on
BrowserEmbeddableSelf-hosted

Trust & compliance

License
Open Source
Public signals
HTTPSPrivacy PolicyTerms of ServiceOpen SourceFree tierStore listing found
Legal
Privacy Policy Terms of Service

Indexing history

1

What PulseGate has recorded for this listing

  1. Indexed16 Sep · 18:36 UTC
    OpenOTP seen via Firefox Add-ons
    Source: Firefox Add-ons · Open

Frequently asked questions about OpenOTP

What does OpenOTP do?
Inferred · not functionally tested: OpenOTP focuses on generating and validating one-time passwords for stronger user authentication. It is catalogued under Auth & identity on PulseGate.
Who should use OpenOTP?
Inferred · not functionally tested: OpenOTP is an open-source project built for developers and security-conscious users.
Does OpenOTP have a free plan?
Basis unknown · not verified: Yes — OpenOTP is open source under the Open Source license and free to use.
What platforms does OpenOTP run on?
Basis unknown · not verified: OpenOTP runs on the web and embeddable surfaces. It can also be self-hosted.
Is OpenOTP still active?
PulseGate's liveness check found it on 16 Sep 2026.
What are alternatives to OpenOTP?
Similar projects tracked by PulseGate include otp-rails, CloudOTP, and NO+OTP.otp-railsCloudOTPNO+OTP
Who develops OpenOTP?
OpenOTP is developed by spynetS.
When did OpenOTP launch?
OpenOTP first shipped in 2025.

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