Open Source realtime backend in 1 file
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Jul 19, 2026 - Go
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Authentication
Authentication is the process of determining whether someone or something is, in fact, who or what it says it is. Authentication technology provides access control for systems by checking to see if a user’s credentials match the credentials in a database of authorized users or in a data authentication server.
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The most comprehensive authentication framework
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Jul 21, 2026 - TypeScript
The Single Sign-On Multi-Factor portal for web apps, now OpenID Certified™
docker kubernetes golang security ldap oauth2 authentication push-notifications yubikey two-factor totp sso openid-connect mfa two-factor-authentication sso-authentication 2fa multifactor webauthn passkeys
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Jul 21, 2026 - Go
Flexible authentication solution for Rails with Warden.
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Jun 22, 2026 - Ruby
The authentication glue you need.
kubernetes security saml oauth2 authentication proxy reverse-proxy authorization sso oauth2-server oidc oauth2-client oidc-provider oidc-client saml-idp saml-sp authentik
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Jul 21, 2026 - Python
Self-Hosting Guide. Learn all about locally hosting (on premises & private web servers) and managing software applications by yourself or your organization. Including Cloud, LLMs, WireGuard, Automation, Home Assistant, and Networking.
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Jun 27, 2025 - Dockerfile
Apache Casbin: an authorization library that supports access control models like ACL, RBAC, ABAC.
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Jul 1, 2026 - Go
Open source alternative to Auth0 / Firebase Auth / AWS Cognito
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Jul 21, 2026 - Java
A 100% free modern JS SaaS boilerplate (React, NodeJS, Prisma). Full-featured: Auth (email, google, github, slack, MS), Email sending, Background jobs, Landing page, Payments (Stripe, Polar.sh), Shadcn UI, S3 file upload. AI-ready with tailored AGENTS.md, skills, and Claude Code plugin. One cmd deploy. Powered by Wasp full-stack framework.
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Jul 20, 2026 - TypeScript
ZITADEL - Identity infrastructure, simplified for you.
identity saml oauth2 authentication login authorization sso user openid-connect oidc mfa scim multitenancy 2fa fido2 passkeys fips-140-3
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Jul 21, 2026 - Go
🧑🚀 Authentication and authorization infrastructure for SaaS and AI apps, built on OIDC and OAuth 2.1 with multi-tenancy, SSO, and RBAC.
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Jul 21, 2026 - TypeScript
An open-source Agent-first Identity and Access Management (IAM) /LLM MCP & agent gateway and auth server with web UI supporting OpenClaw, MCP, OAuth, OIDC, SAML, CAS, LDAP, SCIM, WebAuthn, TOTP, MFA, Face ID, Google Workspace, Azure AD
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Jul 21, 2026 - Go
Expose your FastAPI endpoints as Model Context Protocol (MCP) tools, with Auth!
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Nov 24, 2025 - Python
🔐 JSON Web Token Authentication for Laravel & Lumen
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Mar 6, 2026 - PHP
Apereo CAS - Identity & Single Sign On for all earthlings and beyond.
java open-source aws oauth2 spring-boot authentication spring-cloud openidconnect authorization fido sso saml2 ldap-authentication spring-framework identity-provider mfa sso-authentication websso spring-webflow duosecurity
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Jul 21, 2026 - Java
Integrated set of Django applications addressing authentication, registration, account management as well as 3rd party (social) account authentication. 🔁 Mirror of https://codeberg.org/allauth/django-allauth/
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Jun 22, 2026 - Python
The Open Source Firebase Alternative with GraphQL.
react javascript graphql postgres firebase typescript database vue authentication serverless backend storage nextjs serverless-functions flutter backend-as-a-service hasura graphql-api nhost
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Jul 21, 2026 - TypeScript
Secure, cross-platform Git credential storage with authentication to GitHub, Azure Repos, and other popular Git hosting services.
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Jul 20, 2026 - C#
Modern authentication, on your terms. Open source alternative to Auth0, Clerk, WorkOS, Stytch.
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Jul 21, 2026 - Go
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