CSE-Tool allows you to quickly and easily deploy your Google Custom Search Engine on your own webspace. You just have to fill out some info on your site, and you are ready to go. Only requirement is PHP 4 or better.
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.