The idea behind Codester is simple. Provide a free source code and document sharing application that uses a P2P (peer 2 peer - see http://www.openp2p.com) network protocol. (it works similar to Napster)
Programming and Managing VMware infrastructure is an upcoming book by O'Reilly. The book will have many code examples in C#, Java, Perl, and PowerShell. This project is home to those examples -- the book's source code.