federated-access
There are 2 repositories under federated-access topic.
Abblix/Oidc.Server
Flexible OpenID Connect and OAuth 2.0 server-side implementation for modern ASP.NET projects
aws-samples/automated-role-entitlements-in-aws-iam-identity-center
This solution will help you automate user group assignment to permission sets in AWS IAM Identity center for accessing any or all AWS accounts in your organization via federated access following principles of least privilege.