dpkg-cross is a tool for installing libraries and headers from packages which have not been converted for Multi-Arch to support cross compiling.

libnotify sends desktop notifications to a notification daemon, as defined in the Desktop Notifications spec. These notifications can be used to inform the user about an event or display some form of information without getting in the user's way.

Lhasa lha is a tool for parsing LHA (.lzh) archives and a free replacement for the Unix LHA tool.

SCTP (Stream Control Transmission Protocol) is a message oriented, reliable transport protocol, with congestion control, support for transparent multi-homing, and multiple ordered streams of messages. RFC 2960 defines the core protocol.

The ipv6calc utility can convert between different formats of IPv4 or IPv6 addresses. It can also show information about the addresses, including who they are assigned to on the Internet.