Oxygen Sound Theme

https://kde.org/plasma-desktop/

Core components for the KDE Activity concept

https://kde.org/plasma-desktop/

Library for accessing the usage data collected by the activities system

https://kde.org/plasma-desktop/

Monitors S.M.A.R.T. capable devices for imminent failure

https://kde.org/plasma-desktop/

Plasma applet for audio volume management using PulseAudio

https://kde.org/plasma-desktop/

Wallpapers for Plasma Workspaces

https://kde.org/plasma-desktop/

Manages the power consumption settings of a Plasma shell

https://kde.org/plasma-desktop/

Breeze inspired QQC2 Style

https://kde.org/plasma-desktop/

Configuration module for SDDM

https://kde.org/plasma-desktop/

IBM's signature typeface

https://github.com/IBM/plex

Notify, Log Now Playing and Watched content from a Plex Media Server

https://github.com/ljunkie/plexWatch

Free clone of KlipFolio for GNUstep

http://www.collaboration-world.com/cgi-bin/project/index.cgi?pid=7

A plotting library and toolkit

http://www.gnu.org/software/plotutils/plotutils.html

WikiWikiWeb clone using PHP

https://www.pmwiki.org

Library for manipulating PNG images

http://www.libpng.org/pub/png/libpng.html

C++ libraries with a network/internet focus

http://pocoproject.org/

FUSE-based filesystem for iPod

https://fusepod.sourceforge.net/

PDF manipulation library and tools

https://podofo.sourceforge.net/ https://github.com/podofo/podofo

Vorbis comment editor for GNUstep

https://www.eskimo.com/~pburns/Poe/

Internet Relay Chat (IRC) client designed for GNOME

https://wiki.gnome.org/Apps/Polari

Framework for controlling access to system-wide components

http://www.freedesktop.org/wiki/Software/PolicyKit

Framework for controlling access to system-wide components

https://www.freedesktop.org/wiki/Software/polkit/

GNOME frontend to the PolicyKit framework

http://www.freedesktop.org/wiki/Software/PolicyKit

Qt wrapper around Polkit libraries

https://projects.kde.org/projects/kdesupport/polkit-qt-1

Polygon and line clipping and offsetting library

https://sourceforge.net/projects/polyclipping/

PDF rendering library

https://poppler.freedesktop.org/

Poppler encoding data

https://poppler.freedesktop.org/

GLib bindings to poppler

https://poppler.freedesktop.org/

Qt 5 bindings to poppler

https://poppler.freedesktop.org/

Qt 6 bindings to poppler

https://poppler.freedesktop.org/

Poppler's xpdf-workalike command line utilities

https://poppler.freedesktop.org/

Getopt(3) like library with a number of enhancements, from Redhat

http://freshmeat.net/projects/popt/

Interactive learning aid for pairs of words

http://popup.sourceforge.net/

Portable cross-platform Audio API

http://www.portaudio.com/

Utility to set up BSD port options

https://gitlab.com/alfix/portconfig

Format Ports Makefiles

https://github.com/t6/portfmt

Verifier for mports directory

Library for real time MIDI input and output

https://github.com/mixxxdj/portmidi

Tool to scan for new versions of BSD ports

https://www.inerd.com/software/portscout/

Port searching tool that supports search by packing list files

http://people.freebsd.org/~vd/portsearch

Secure alternative to widely-used Sendmail

http://www.postfix.org/

Java JDBC implementation for PostgreSQL

https://jdbc.postgresql.org/

New C++ interface for PostgreSQL

http://pqxx.org/

PostgreSQL database (client)

https://www.postgresql.org/

The contrib utilities from the PostgreSQL distribution

https://www.postgresql.org/

The PostgreSQL documentation set

https://www.postgresql.org/

TCL extension for accessing a PostgreSQL server (PGTCL-NG)

https://sourceforge.net/projects/pgtclng/

Write SQL functions for PostgreSQL using Perl5

https://www.postgresql.org/

Module for using Python to write SQL functions

https://www.postgresql.org/

Module for using Tcl to write SQL functions

https://www.postgresql.org/