O

oauth

🔧🔗https://github.com/supabase/supabase

The open source Firebase alternative. Supabase gives you a dedicated Postgres database to build your web, mobile, and AI applications.

🔧🔗https://github.com/OpenIdentityPlatform/OpenAM OpenAM is an open access management solution that includes Authentication, SSO, Authorization, Federation, Entitlements and Web Services Security.

mcp oidc provider

https://github.com/tigrisdata/mcp-oidc-provider Open-sourced mcp-oidc-provider: a minimal, vendor-neutral OIDC layer that sits between MCP clients and your upstream IdP (Auth0/Clerk/Okta).

🔧🔗https://github.com/stack-auth/stack-auth Open-source Auth0/Clerk alternative