Black List Scanning Bot (BLSB for short) checks the IP addresses of users connecting to your IRC server against DNS blacklist services such as Blitzed or Sorbs. If a user matches a blacklist, that user is killed from your network.
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.