forked-daapd is an iTunes-compatible media server, originally intended as a rewrite of Firefly Media Server (also known as mt-daapd).

This package provides the 'host' DNS lookup utility in the form that is bundled with the BIND 9 sources.

gnuserv allows you to attach to an already running Emacs. This allows external programs to make use of Emacs' editing capabilities. It is similar to GNU Emacs' emacsclient, but has a slightly different feature set.

SQLite is a C library that implements an SQL database engine. Programs that link with the SQLite library can have SQL database access without running a separate RDBMS process.

Symphonic is a file manager for Sony's flash players (such as the NW-E00x series), where songs are stored in a proprietary format not very Unix-friendly.