Best OAuth Products

Clerk is a complete suite of embeddable UIs, flexible APIs, and admin dashboards to authenticate and manage your users.

Key Clerk Authentication features:

Multifactor Authentication Advanced security Session Management Email and SMS one-time passcodes

Open Source

All-in-one crypto finance platform for companies that run on stablecoins. Invoicing, payouts, treasury, budgets and AML — the whole money path in one non-custodial system. No banking friction, no spreadsheet reconciliation.

Key VaultNow features:

Supported assets Supported chains Custody Crypto invoicing

Visit website Open Source freemium

Auth0 is a program for people to get authentication and authorization services for their own business use.

Key Auth0 features:

Ease of Use Security Scalability Customization

Open Source

Application and Data, Application Utilities, and User Management and Authentication.

Key WorkOS features:

Easy Integration Security and Compliance Scalability Time Efficiency

FusionAuth is a CIAM platform that is 100% free for unlimited users.

Key FusionAuth features:

Comprehensive Feature Set Developer Friendly Self-Hosted and SaaS Options Scalable

Open Source freemium

Amazon Cognito lets you add user sign-up, sign-in, and access control to your web and mobile apps quickly and easily. It scales to millions of users and supports sign-in with social identity providers and enterprise identity providers via SAML 2.0.

Key Amazon Cognito features:

Scalability Security Integrations Federated Identities

Firebase is a cloud service designed to power real-time, collaborative applications for mobile and web.

Key Firebase features:

Real-time Database Easy Integration Scalability Authentication Services

Kinde provides Authentication tools and infrastructure to helps SaaS businesses accelerate their product development. Every day, Kinde gives the best teams in the world, everything they need to build, secure, monetize, and manage a more modern web.

Key Kinde features:

Passwordless Social SSO Enterprise SSO Multi-factor authentication

freemium $25 / Monthly (Professional plan starting from 10,500 monthly active users)

Nopwd offers seamless integration of email link and Passkeys authentication for your application.

Key NoPwd.io features:

Email link authentication Passkeys Fully customizable Instant integration