openid/conformance-suite
Conformance/certification suite for OIDF's specifications, including OpenID Connect, FAPI/FAPI2 & FAPI-CIBA Profiles, including OpenBanking/OpenFinance security conformance certifications, AuthZen, Shared Signals, ekyc-ida Production deployment: https://www.certification.openid.net/ 
GitLab repository with 50 stars and 148 forks.