Top IDENTITY GitHub Repositories & Tools (2026)

Flight booking system built as .NET 10 microservices with Vertical Slice Architecture, DDD, CQRS, Event Sourcing, gRPC, RabbitMQ, Wolverine, PostgreSQL, MongoDB and .NET Aspire.

winapp, the Windows App Development CLI, is a single command-line interface for managing Windows SDKs, packaging, generating app identity, manifests, certificates, and using build tools with any app framework.

🧑‍🚀 Authentication and authorization infrastructure for SaaS and AI apps, built on OIDC and OAuth 2.1 with multi-tenancy, SSO, and RBAC.

Apereo CAS - Identity & Single Sign On for all earthlings and beyond.

TypeScript ORM for Node.js based on Data Mapper, Unit of Work and Identity Map patterns. Supports MongoDB, MySQL, MariaDB, MS SQL Server, PostgreSQL and SQLite/libSQL databases.

Pomerium is an identity and context-aware access proxy.

OpenID/Connect, OAuth2, WS-Federation and SAML 2.0 server based on Duende IdentityServer and ITFoxtec Identity SAML 2.0 with its admin UI

The Janssen Project is a home for open source IAM components, featuring Auth Server (OAuth/OpenID), Agama low-code identity orchestration, and the Cedarling policy decision point. The "Janssen Server" distributions bundle IAM components under one control plane.

Typescript framework for building decentralized identity and verifiable credential solutions

Microsoft Authentication Library (MSAL) for iOS and macOS

All-in-one open-source identity and wallet toolkit.

Microsoft Authentication Library (MSAL) for Android

Highflame ZeroID: Autonomous Agent Identity Management System (AAIMS)

A Tauri-based Identity Wallet for people to manage Decentralized Identities and Verifiable Credentials.

Cloud native networking and network security

Lintcha — copy-trading bot for Robinhood Chain in @lintchabot. Explore wallet following; automated BUY is paused and SELL stays manual. Read-only Core tools included.

Kubernetes operator for managing Kanidm

ThunderID is a high-performance, open-source identity stack designed for developers to secure and manage access for humans, AI agents, and machines through fully composable identity flows.

Open source platform for X.509 certificate based service authentication and fine grained access control in dynamic infrastructures. Athenz supports provisioning and configuration (centralized authorization) use cases as well as serving/runtime (decentralized authorization) use cases.

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