The Ubuntu project digitally signs its Release files. This package contains below archive keys used for that.

The Opus codec is designed for interactive speech and audio transmission over the Internet. It is designed by the IETF Codec Working Group and incorporates technology from Skype's SILK codec and Xiph.Org's CELT codec.

This package provides a module for LDAP functions in PHP scripts.

foo2zjs is an open source printer driver for printers that use the Zenographics ZjStream wire protocol for their print data, such as the Minolta magicolor 2200/2300/2430 DL, Minolta Color PageWorks/Pro L and HP LaserJet 1000/1005/1018/1020/1022. These printers are often erroneously referred to as "winprinters" or "GDI printers".

Samba is an implementation of the SMB/CIFS protocol for Unix systems, providing support for cross-platform file and printer sharing with Microsoft Windows, OS X, and other Unix systems.

dvgrab receives audio and video data from a digital camcorder via an IEEE1394 (widely known as FireWire) or USB link and stores them into one of several file formats. It features autosplit of long video sequences, and supports saving the data as raw frames, AVI type 1, AVI type 2, Quicktime DV, a series of JPEG stills or MPEG2-TS.