LispMe is a Scheme compiler and runtime system running on PalmOS. It is mainly intended to have a tool for quickly trying ideas and algorithms, but you can write dialog-based applications, too.
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.