🚀 Top 12 Open Source Auth Projects Every Developer Should Know 🔑

This page summarizes the projects mentioned and recommended in the original post on dev.to

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  • OPAL

    Policy and data administration, distribution, and real-time updates on top of Policy Agents (OPA, Cedar, ...) (by permitio)

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  • Keycloak

    Open Source Identity and Access Management For Modern Applications and Services

    Single Sign On (SSO) - Keycloak

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    Learn 300+ open source libraries for free using AI. LearnThisRepo lets you learn 300+ open source repos including Postgres, Langchain, VS Code, and more by chatting with them using AI!

  • SuperTokens Community

    Open source alternative to Auth0 / Firebase Auth / AWS Cognito


  • next-auth

    Authentication for the Web.


  • hanko

    Auth and user management for the passkey era


  • supabase

    The open source Firebase alternative.


  • openfga

    A high performance and flexible authorization/permission engine built for developers and inspired by Google Zanzibar


  • InfluxDB

    Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.

  • jose

    JWA, JWS, JWE, JWT, JWK, JWKS for Node.js, Browser, Cloudflare Workers, Deno, Bun, and other Web-interoperable runtimes.

    JWT - jose

  • Ory Hydra

    OpenID Certified™ OpenID Connect and OAuth Provider written in Go - cloud native, security-first, open source API security for your infrastructure. SDKs for any language. Works with Hardware Security Modules. Compatible with MITREid.

    OAuth Server - Hydra

NOTE: The number of mentions on this list indicates mentions on common posts plus user suggested alternatives. Hence, a higher number means a more popular project.

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