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xid is a Central Authentication Server (CAS). A CAS is a server that centralizes the process of authenticating. A CAS acts like an abstraction layer which handles ACLs (Access Control Lists) for multiple services and applications.
An alternative Identification system that is a replacement for Microsoft's Passport and the Liberty Alliance. Its a simple architecture that is setup so anyone can run a server and thereby have control over their online identification.
Utility to facilitate time-sensitive use of .plan and .project files. Curses-based interface allows user to easily view, edit, replace, and delete contents. A timestamp is automatically prepended to the file contents.