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OAuth 2.0

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OAuth 2.0 (short for “Open Authorization”) is the industry-standard protocol for authorization. Generally, the OAuth protocol provides a way for resource owners to provide a client [application] with secure delegated access to server resources.

Types

OAuth framework specifies several grant types for different use cases. Some of the most common OAuth grant types are:

  • Authorization Code
  • PKCE
  • Client Credentials
  • Device Code
  • Refresh Token
  • Here are 583 public repositories matching this topic...

    The only web-scale, fully customizable OpenID Certified™ OpenID Connect and OAuth2 Provider in the world. Become an OpenID Connect and OAuth2 Provider over night. Written in Go, cloud native, headless, API-first. Available as a service on Ory Network and for self-hosters. Relied upon by OpenAI and others for web-scale security.

    • Updated Jul 7, 2025
    • Go

    A next-gen FOSS self-hosted unified zero trust secure access platform that can operate as a remote access VPN, a ZTNA/BeyondCorp architecture, API/AI gateway, a PaaS, an infrastructure for MCP & A2A architectures or even as an ngrok-alternative and a homelab infrastructure.

    • Updated Jul 9, 2025
    • Go

    Your data, your control. Fully open source, authentication and authorization. No lock-ins. Deployment in Railway in 120 seconds || Spin a docker image as a micro-service in your infra. Built in login page and Admin panel out of the box.

    • Updated May 23, 2025
    • Go
    caddy-security

    🔐 Authentication, Authorization, and Accounting (AAA) App and Plugin for Caddy v2. 💎 Implements Form-Based, Basic, Local, LDAP, OpenID Connect, OAuth 2.0 (Github, Google, Facebook, Okta, etc.), SAML Authentication. MFA/2FA with App Authenticators and Yubico. 💎 Authorization with JWT/PASETO tokens. 🔐

    • Updated Mar 25, 2025
    • Go

    Created by IETF OAuth Working Group

    Released October 2012

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    Website
    github.com/topics/oauth2
    Wikipedia
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    Related Topics

    access-token authentication indieauth oauth oidc openid raml refresh-token saml xacml