The Mylyn connector for MantisBT allows you to manage your bugs straight from Eclipse. Supported features include creating and updating tasks, synchronizing tasks, commenting, uploading and downloading attachments.
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.