cpDetector is a proxy for codepage detection of documents. It delegates to multiple instances that try to detect the codepage by different techinques. A command line executeable is shipped that allows to sort documents by codepage.
Open source project that offer summary and download services on this page is a project that carry out their development work on other open source development sites. Their work is linked to this page via a feature called OFI, and their work is not carried out here on OSDN site.