GitHub stars · StarDay

1tailscale / tailscaleThe easiest, most secure way to use WireGuard and 2FA.GoBSD-3-Clause · Permissive38,728

2goauthentik / authentikThe authentication glue you need.PythonLicense not declared26,258

3fosrl / pangolinModern networking and security platform providing secure access and connectivity to apps, infrastructure, and AI workloads. Connect and protect your users.TypeScriptLicense not declared23,336

4apache / casbinApache Casbin: an authorization library that supports access control models like ACL, RBAC, ABAC.GoApache-2.0 · Permissive20,482

5dromara / Sa-Token✨ Open source, free, one-stop Java permission authentication framework makes authentication simple and elegant! - Login authentication, permission authentication, distributed session, microservice gateway authentication, SSO single sign-on, OAuth2.0 unified authentication, jwt integration, API Key authorization, API parameter signatureJavaApache-2.0 · Permissive19,111

6ory / hydraInternet-scale OpenID CertifiedTM OpenID Connect and OAuth2.1 provider that integrates with your user management through headless APIs. Solve OIDC/OAuth2 user cases over night. Consume as a service on Ory Network or self-host. Trusted by OpenAI and many others for scale and security. Written in Go.GoApache-2.0 · Permissive17,649

7zitadel / zitadelZITADEL - Identity infrastructure, simplified for you.GoAGPL-3.0 · Share derivative source15,533

8oauth2-proxy / oauth2-proxyA reverse proxy that provides authentication with Google, Azure, OpenID Connect and many more identity providers.GoMIT · Permissive15,331

9logto-io / logto🧑‍🚀 Authentication and authorization infrastructure for SaaS and AI apps, built on OIDC and OAuth 2.1 with multi-tenancy, SSO, and RBAC.TypeScriptMPL-2.0 · Share derivative source14,851

10apereo / casApereo CAS - Identity & Single Sign On for all earthlings and beyond.JavaApache-2.0 · Permissive11,393

11teamhanko / hankoModern authentication, on your terms. Open source alternative to Auth0, Clerk, WorkOS, Stytch.GoAGPL-3.0 · Share derivative source9,065

12tinyauthapp / tinyauthThe tiniest OpenID CertifiedTM authorization and authentication server you have ever seen.GoAGPL-3.0 · Share derivative source8,482

13azukaar / Cosmos-Server☁️ The Most Secure and Easy Selfhosted Home Server. Take control of your data and privacy without sacrificing security and stability (Authentication, anti-DDOS, anti-bot)GoLicense not declared6,193

14smallstep / cli🧰 A zero trust swiss army knife for working with X509, OAuth, JWT, OATH OTP, etc.GoApache-2.0 · Permissive4,366

15octelium / octeliumA next-gen FOSS self-hosted unified zero trust secure access platform that can operate as a remote access VPN, a ZTNA platform, API/AI/MCP gateway, a PaaS, an ngrok-alternative and a homelab infrastructure.GoAGPL-3.0 · Share derivative source4,156

16Smaug6739 / Alexandrie📚 The open-source, offline-first Notion, Obsidian & Confluence alternative. Advanced Markdown, multi-tenant teams, OIDC/SSO, and local S3 backups. Deploy in one command.VueMIT · Permissive3,877

17thephpleague / oauth2-clientEasy integration with OAuth 2.0 service providers.PHPMIT · Permissive3,819

18pgrok / pgrokPoor man's ngrok - a multi-tenant HTTP/TCP reverse tunnel solution through SSH remote port forwardingGoMIT · Permissive3,646

19vouch / vouch-proxyan SSO and OAuth / OIDC login solution for Nginx using the auth_request moduleGoMIT · Permissive3,285

20java-aodeng / hope-boot🌱 A modern scaffolding projectJavaGPL-3.0 · Share derivative sourceInactive3,229