Lichen is a Web-based IMAP client that puts an
AJAX veneer on your email. It's written in PHP,
with a JavaScript interface that is usable in most
modern browsers, and is designed to be painless to
install.
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.