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

• OPAL

  36 2,330 8.9 Python

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

  

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• Keycloak

  234 20,313 10.0 Java

  Open Source Identity and Access Management For Modern Applications and Services

  

Single Sign On (SSO) - Keycloak

• SurveyJS

  surveyjs.io featured

  Open-Source JSON Form Builder to Create Dynamic Forms Right in Your App. With SurveyJS form UI libraries, you can build and style forms in a fully-integrated drag & drop form builder, render them in your JS app, and store form submission data in any backend, inc. PHP, ASP.NET Core, and Node.js.

  

• SuperTokens Community

  114 12,038 9.2 Java

  Open source alternative to Auth0 / Firebase Auth / AWS Cognito

  

SuperTokens

• next-auth

  204 22,672 9.9 TypeScript

  Authentication for the Web.

  

NextAuth.js

• hanko

  11 5,485 9.5 Go

  Authentication and user management system with passkey superpowers

  

Hanko.io

• supabase

  772 67,176 10.0 TypeScript

  The open source Firebase alternative.

  

Supabase

• openfga

  15 2,353 9.7 Go

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

  

OpenFGA

• InfluxDB

  www.influxdata.com featured

  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

  6 4,954 9.0 TypeScript

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

JWT - jose

• Ory Hydra

  37 15,167 9.1 Go

  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

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