AWS silently updates Managed IAM policies all the time. We catch every single change.

• IAMTrail @ GitHub.

A modern, UI-first Identity and Access Management (IAM) / Single Sign-On (SSO) platform with comprehensive SaaS management capabilities. Supports OAuth 2.0, OIDC, SAML, CAS, LDAP, SCIM, WebAuthn, TOTP, MFA, RADIUS, Google Workspace, Active Directory, and Kerberos

• Casdoor @ GitHub.

Oak is a Free and Open Source Identity Provider that you can host yourself

Kanidm is a modern and simple identity management platform written in rust.

Kanidm is a simple and secure identity management platform, allowing other applications and services to offload the challenge of authenticating and storing identities to Kanidm.

• Kanidm @ GitHub.

Headless cloud-native authentication and identity management written in Go. Scales to a billion+ users. Replace Homegrown, Auth0, Okta, Firebase with better UX and DX. Passkeys, Social Sign In, OIDC, Magic Link, Multi-Factor Auth, SMS, SAML, TOTP, and more. Runs everywhere, runs best on Ory Network.

Ory Kratos is an API first identity and user management system for cloud native applications. It centralizes login, registration, recovery, verification, and profile management flows so your services consume them instead of reimplementing them.

• Ory Kratos @ GitHub.

A simulation tool for AWS IAM written in Go.

yams is a Go library, server, and CLI providing foundational capabilities to simulate access for AWS IAM policies.

Unlock the Future of Identity. Modern IAM written in Rust.

A blazing-fast IAM, powered by Rust. Open, secure, ready for your cloud journey.

FerrisKey is an open-source IAM solution designed for modern cloud-native environments. With its high-performance API written in Rust and its intuitive web interface developed in Typescript/React, FerrisKey offers a robust and flexible alternative to traditional IAM solutions.

• Ferriskey @ GitHub.

Own Your IAM with a Perpetual License. Open source alternative to Auth0 / Firebase Auth.

Authgear is an open-source extensible turnkey solution for all of your consumer authentication needs. Authgear gets you started in 5 minutes with developer-friendly SDKs and a comprehensive portal.

• Authgear @ GitHub.

Kanidm is a simple and secure identity management platform, allowing other applications and services to offload the challenge of authenticating and storing identities to Kanidm.

IAM Least Privilege Policy Generator.

Policy Sentry is an AWS IAM Least Privilege Policy Generator, auditor, and analysis database. It compiles database tables based on the AWS IAM Documentation on Actions, Resources, and Condition Keys and leverages that data to create least-privilege IAM policies.

• Policy Sentry @ GitHub.

A command-line tool to get valuable information out of AWS CloudTrail and a general purpose toolbox for working with IAM policies

Employee and Customer Identity Solutions. Everything starts with Identity.

Identity can create great user experiences, increase customer sign-ups, improve employee productivity, and get apps to market faster.

• How to Create a Secure CI/CD Pipeline Using Okta Terraform @ okta Developer.

🧑‍🚀 The better identity infrastructure for developers and the open-source alternative to Auth0.

Logto is an Auth0 alternative designed for modern apps and SaaS products. It offers a seamless developer experience and is well-suited for individuals and growing companies.

• Logto @ GitHub.

API-first Identity Management, Authentication and Authorization. For Secure, Global, GDPR-compliant Apps. The New Identity Stack you have been waiting for.

Traditional IAM solutions do not scale, they are not easy to customize, they are limited in their deployment models, and they don't meet your or your customers' needs

• Ory @ GitHub.