XSIDPLAY2 is a QT based music player for SID music. It is based onto Michael Schwendt's XSIDPLAY, the historical SID player for Linux, actually no more developed by the author.
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.