This is PCRE2, the new implementation of PCRE, a library of functions to support regular expressions whose syntax and semantics are as close as possible to those of the Perl 5 language. New projects should use this library in preference to the older library, confusingly called pcre3 in Debian.

This package installs a variety of tools for manipulating keys and binary signatures on UEFI secure boot platforms. The tools provide access to the keys and certificates stored in the secure variables of the UEFI firmware, usually in the NVRAM area.

Linphone is an audio and video internet phone using the SIP protocol. It has a GTK+ and console interface, includes a large variety of audio and video codecs, and provides IM features.

KDE is produced by an international technology team that creates free and open source software for desktop and portable computing. Among KDE's products are a modern desktop system for Linux and UNIX platforms, comprehensive office productivity and groupware suites and hundreds of software titles in many categories including Internet and web applications, multimedia, entertainment, educational, graphics and software development.

Synapse is the reference Python/Twisted Matrix homeserver implementation.

PyBluez is an effort to create Python wrappers around BlueZ to allow Python developers to use system bluetooth resources. PyBluez works on machines running the GNU/Linux operating system and the bluez bluetooth stack.