tcPlugins is a collection of plugins for TeamCity. tcWebHooks is a plugin for TeamCity which allows project admins to configure webhooks for a project in TeamCity. tcPrettyEmail is a HTML email notifier for TeamCity.
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.