OAuth Libraries for Java

Here you'll find the best Java libraries for building OAuth clients and servers.

Client Libraries

• Spring Security
• Restlet Framework (draft 30)
• ScribeJava
• oauth2-essentials
• Light Java Client
• Google OAuth Java Client
• Pac4j
• Nimbus
• AppAuth for Android

Server Libraries

• MitreID (with OpenID Connect)
• Restlet Framework (draft 30)
• Apache CXF
• Tokens: Java library for conveniently verifying and storing OAuth 2.0 service access tokens.
• Light OAuth2 - The fastest, lightest and cloud native OAuth 2.0 microservices
• Pac4j
• Keycloak
• Nimbus
• Spring Authorization Server
• Authplane java-sdk: Protect MCP servers and OAuth 2.1 resource servers, with MCP and Spring Security adapters

If you would like to add a library, you can edit this page.