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leeloo has been moved permanently to the Apache Amber project ( Please update your dependencies. We will continue development of the Apache Amber OAuth 2.0 implementation under the ASF umbrella.


leeloo is the Java implementation of the OAuth 2.0 protocol (currently draft 10 of the specification).


  • 30/01/2010 leeloo development officially moved to the Apache Amber project
  • 29/09/2010 leeloo 0.1 released

leeloo helps you develop OAuth 2.0 compatible:


  • Covers OAuth 2.0 specification draft 10
  • Both for OAuth clients and AS/RS
  • Lightweight and non intrusive
  • Simple and extensible API
  • Under heavy development
  • High unit tests coverage

Mailing List

For any questions or comments on leeloo, please post to mailing list:

Feature request

Please use the Bitbucket issue tracker (above tab) to submit bugs and feature requests.

Quick Start

Learn how leeloo works by using the provided demo Web application: OAuth Demo


leeloo is provided under the Apache License Version 2.0

Become part of the community

leeloo is currently being developed at Newcastle University as part of the SMART project funded by JISC.

Core developers:

  • Maciej Machulak
  • Lukasz Moren
  • Aad van Moorsel

If you wish to contribute to the project, simply Get Involved. Have fun!

Leeloo Leeloo