The Carolina Computer Assistive Technolog group at UNC-Chapel Hill focuses on the development of enabling technologies. We are currently maintaining the pyTTS package here, but our older work is still available for (unsupported) use.
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.