dlectron has been the founder and backer of many different OSS projects in the past.
Currently 2 active projects maintained:
FakeIdp
A rust based IdP server that gives any JWT token you want.
Its OIDC compliant so you can use it for testing your own services with all kinds of tokens.
The project is available on Github
Actix JWT Auth
A rust based Actix 4 authentication plugin supporting OIDC services.
Actix 4 is a mature web and actor framework allowing to build blazingly fast web services. This plugin allows you to create identity checks giving strongly typed tokens into your application.
This project is available on Github