A Grid web services toolkit based on Apache/python
Clarens provides a way to easily write web-services applications with strong emphasis on security. Authentication is based on X509 certificates, with a flexible ACL scheme for authorization.
Exposed remote methods are implemented in drop-in modules, with auto-discovery and auto-documentation of methods. The transport is XML-RPC, SOAP or JSON-RPC over http(s).
Status is Beta on features, in production use.