Client patcher is designed for patching kRO or Sakray data files. However it is not limited by only patching kRO or Sakray clients. With a few modifications you can make this patcher program for your own private server.
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.
