Authorization GitHub Repositories (2026) · Open Source Tools

A set of RSpec matchers for testing Pundit authorisation policies.

Goiabada is an OAuth2 / OpenID Connect server written in Go.

A secure local gateway for AI agents to reliably call approved enterprise APIs, tools, and services.

Simple role-based authorization library for Ruby on Rails

A comprehensive security repo for modern Java backend applications. The only identity provider you’ll ever need.

Security engine for Java (authentication, authorization, multi frameworks): OpenID Connect, SAML2, CAS, OAuth, LDAP, JWT...

Security library for Sparkjava: OpenID Connect, SAML2, CAS, OAuth, LDAP, JWT...

Security library for Spring Web MVC: OpenID Connect, SAML2, CAS, OAuth, LDAP, JWT...

Security library for Vert.x: OpenID Connect, SAML2, CAS, OAuth, LDAP, JWT...

OpenFGA SDK for Go.

AWS Cognito authentication for NestJS: JWT guards, groups and OAuth scopes, GraphQL, WebSockets and microservices.

Doorkeeper is an OAuth 2 provider for Ruby on Rails / Grape.

OpenFGA-to-PostgreSQL authorization compiler. Generates specialized SQL functions from .fga schemas that query your existing tables. Zero sync, always consistent.

Observe AI agent runs and control consequential actions. Signed policies, exact-action approvals, AuthZEN API vetoes and evidence. MCP gateway today; connected-channel supervision and scoped reactions toward 1.0. Experimental alpha.

A modern, open-source full-stack SaaS starter built with Next.js, TypeScript, MongoDB, and shadcn/ui a solid foundation for building scalable SaaS applications.

A cross-platform CLI to interact with an OpenFGA server.

The official community-maintained Clerk SDK for Rust

A simple PAM account module to require a special user or group to access a service

Bridge from the pac4j security library to Shiro

Auth0 headless browser sdk