xpylib is a library for Python developers. It is not specialized, and may be used for a wide range of tasks. It contains a few tools such as pyenv (virtual environment), timetest (speed testing for small code pieces), and so on.
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.