about-distro : KCM displaying distribution and system information ( https://projects.kde.org/projects/playground/base/about-distro )
adjustableclock : Plasmoid to show date and time in adjustable format using rich text ( http://kde-look.org/content/show.php/Adjustable+Clock?content=92825 )
akonadi-facebook : Facebook services integration in Akonadi ( https://projects.kde.org/akonadi-facebook )
akonadi-git-resource : Git commit integration in Akonadi ( https://projects.kde.org/projects/playground/pim/akonadi-git-resource )
baloo-kcmadv : Alternative configuration module for the Baloo search framework ( https://gitlab.com/baloo-kcmadv/baloo-kcmadv )
basket : A DropDrawers clone. Multiple information organizer ( http://basket.kde.org/ )
bkodama : A friendly, yet very simple-minded Kodama (Japanese ghost) wandering on your desktop ( http://kde-look.org/content/show.php/bkodama?content=106528 )
chromi : Titlebar-less decoration inspired by Google Chrome and Nitrogen minimal mod ( http://kde-look.org/content/show.php/Chromi?content=119069 )
colibri : Alternative to KDE4 Plasma notifications ( http://www.kde-look.org/content/show.php?content=117147 )
colord-kde : Provides interfaces and session daemon to colord ( https://projects.kde.org/projects/playground/graphics/colord-kde )
commandwatch : KDE4 plasmoid which periodically runs a system command and displays its output ( http://www.kde-look.org/content/show.php/Command+Watch?content=84523 )
cpuload : KDE4 plasmoid that shows CPU load on the screen ( http://www.kde-look.org/content/show.php/cpuload?content=86628 )
customizable-weather : KDE4 weather plasmoid. It aims to be highly customizable, but is a little harder to setup ( http://www.kde-look.org/content/show.php/Customizable+Weather+Plasmoid?content=98925 )
drop2ftp : KDE4 plasmoid. Add files over KIO supported protocols, like ftp and ssh ( http://www.kde-look.org/content/show.php/Drop2FTP?content=97281 )
emerging-plasmoid : Portage emerge progress plasmoid ( http://kde-apps.org/content/show.php/Emerging+Plasmoid?content=147414 )
eventlist : Plasmoid showing the events from Akonadi resources ( http://kde-look.org/content/show.php/Eventlist?content=107779 )
eyesaver : KDE4 plasmoid. Reminds us to take our eyes off the screen ( http://www.kde-look.org/content/show.php/Eyesaver?content=89989" # License unclear, HOMEPAGE and .desktop file have "GPL", assuming GPL-1 )
fancytasks : Task and launch representation plasmoid ( http://kde-look.org/content/show.php/Fancy+Tasks?content=99737 )
fsrunner : FSRunner give you instant access to any file or directory you need ( https://code.google.com/p/fsrunner/ )
geekclock : Geeky Clock KDE4 Plasmoid ( http://kde-look.org/content/show.php/Geek+Clock?content=107807 )
gx-mail-notify : Plasmoid for checking unread mail ( http://www.kde-look.org/content/show.php/GX+Mail+Notify?content=99617 )
hdaps_monitor : KDE-based monitor for the IBM HDAPS system ( http://www.kde-look.org/content/show.php/HDAPS+monitor?content=103481 )
homerun : Application launcher for KDE Plasma desktop ( https://projects.kde.org/projects/playground/base/homerun )
kanyremote : KDE frontend to Anyremote ( http://anyremote.sourceforge.net/ )
katelatexplugin : Kate LaTeX typesetting plugin ( http://www.kde-apps.org/content/show.php/Kate+LaTeX+typesetting+plugin?content=84772 )
kbstateapplet : Plasmoid that shows the state of keyboard leds ( https://websvn.kde.org/trunk/playground/base/plasma/applets/kbstateapplet )
kcaldav : CalDAV support plugin for KDE Kontact ( https://code.google.com/p/kcaldav/ )
kcm-grub2 : KCModule for configuring the GRUB2 bootloader ( http://kde-apps.org/content/show.php?content=139643 )
kcm-touchpad : KCM, daemon and applet for touchpad ( https://projects.kde.org/projects/playground/utils/kcm-touchpad )
kcm-ufw : KCM module to control the Uncomplicated Firewall ( http://kde-apps.org/content/show.php?content=137789 )
kcollectd : Simple KDE-based live data viewer for collectd ( http://www.forwiss.uni-passau.de/~berberic/Linux/kcollectd.html )
kcometen4 : OpenGL KDE4 screensaver ( http://www.kde-apps.org/content/show.php?content=87586 )
kde-gtk-config : KDE systemsettings kcm to set GTK application lookandfeel ( https://projects.kde.org/kde-gtk-config )
kdeconnect : Adds communication between KDE and your smartphone ( https://www.kde.org/ )
kdesudo : A frontend for sudo. Unlike kdesu, it uses directly sudo as backend ( https://launchpad.net/kdesudo/ )
kdiff3 : Qt/KDE based frontend to diff3 ( http://kdiff3.sourceforge.net/ )
kdirstat : Nice KDE replacement to the du command ( https://bitbucket.org/jeromerobert/k4dirstat/ )
kdmthemegenerator : Generates kdm theme from your current plasma theme and wallpaper ( http://kde-apps.org/content/show.php/Kdm+theme+generator?content=102760 )
kepas : A zeroconf KDE4 filetransfer tool ( http://www.kde-apps.org/content/show.php?content=73968 )
kgrubeditor : A KDE utility that edits GRUB configuration files ( http://www.kde-apps.org/content/show.php?content=75442 )
kgtk : Allows *some* Gtk and Qt4 applications to use KDE's file dialogs when run under KDE ( http://www.kde-apps.org/content/show.php?content=36077 )
kim4 : A Dolphin and Konqueror service menu for ImageMagick ( http://www.kde-apps.org/content/show.php/Kim+%28Kde+Image+Menu%29?content=11505 )
kimtoy : An input method frontend for KDE ( http://kde-apps.org/content/show.php/KIMToy?content=140967 )
kio-ftps : KDE ftps KIO slave ( http://kde-apps.org/content/show.php/kio-ftps?content=35875 )
kio-locate : Locate KIO slave for KDE ( http://www.kde-apps.org/content/show.php/kio-locate?content=120965 )
kio-mtp : MTP KIO-Client for KDE ( https://projects.kde.org/projects/playground/base/kio-mtp )
kio-slp : Service Location Protocol component for KIO ( https://websvn.kde.org/trunk/playground/network/kio_slp/ )
kio_gopher : Gopher Kioslave for Konqueror ( https://userbase.kde.org/Kio_gopher )
kolor-manager : KControl module for Oyranos CMS cross desktop settings ( http://www.oyranos.org/wiki/index.php?title=Kolor-manager )
konstruktor : LEGO CAD ( http://konstruktor.influx.kr/ )
kookie : Manage recipes and shopping lists ( http://www.kde-apps.org/content/show.php/Kookie?content=117806 )
kopete-antispam : Antispam filter for Kopete instant messenger ( http://kopeteantispam.sourceforge.net )
kopete-thinklight : A thinkpad's light flash on every incoming message ( http://www.kde-apps.org/content/show.php?content=100537 )
kosd : KDE application that runs in the background and responds to button presses by showing a tiny OSD ( http://www.kde-apps.org/content/show.php/KOSD?content=81457 )
kover : An easy to use WYSIWYG CD cover printer with CDDB support ( http://lisas.de/kover/ )
kprayertime : Islamic Prayer Times Plasmoid ( http://kprayertime.sourceforge.net/ )
kraidmonitor : Indicator widget for raid arrays ( http://kde-apps.org/content/show.php/K+Raid+Monitor?content=68553 )
krecipes : A KDE4 recipe application ( http://krecipes.sourceforge.net/ )
krename : KRename - a very powerful batch file renamer ( http://www.krename.net/ )
krunner-googletranslate : Krunner plug-in for Google translate service ( http://kde-apps.org/content/show.php/krunner-googletranslate?content=144348 )
krunner-kopete-contacts : A krunner plug-in that allows you to open conversation with your contact ( http://www.kde-apps.org/content/show.php?action=content%26content=105263 )
krusader : An advanced twin-panel (commander-style) file-manager for KDE with many extras ( http://www.krusader.org/ )
kscreen : Alternative KDE screen management ( https://projects.kde.org/projects/extragear/base/kscreen )
kshutdown : A shutdown manager for KDE ( http://kshutdown.sourceforge.net )
ksplasher : A KSplashX engine (KDE4) Splash Screen Creator ( http://ksplasher.sourceforge.net/ )
kte-collaborative : Collaborative text editor via kde-telepathy ( https://projects.kde.org/projects/playground/network/kte-collaborative )
ktrafficanalyzer : A network traffic visualizer ( http://ktrafficanalyze.sourceforge.net/ )
kvkbd : A virtual keyboard for KDE ( http://www.kde-apps.org/content/show.php?content=94374 )
kwebkitpart : A WebKit KPart for Konqueror ( https://projects.kde.org/projects/extragear/base/kwebkitpart )
magneto-kde : Entropy Package Manager notification applet KDE frontend ( http://www.sabayon.org )
milou : Dedicated search application built on top of Baloo ( https://projects.kde.org/projects/extragear/base/milou )
miniplayer : Multimedia player plasmoid ( http://kde-look.org/content/show.php?content=95501 )
networkmanagement : KDE frontend for NetworkManager ( https://projects.kde.org/projects/extragear/base/networkmanagement )
nightmode : kwin plugin that makes the entire screen darker ( http://kde-apps.org/content/show.php/Nightmode?content=123805 )
nvdevmon : A device monitor for NVIDIA cards ( http://kde-look.org/content/show.php/NVidia+Device+Monitor?content=148658 )
openofficeorg-thumbnail : KDE thumbnail-plugin that generates thumbnails for ODF files ( http://www.kde-apps.org/content/show.php?content=110864 )
plasma-applet-daisy : Simple application launcher for KDE 4's plasma desktop ( http://cdlszm.org/ )
plasma-emergelog : KDE4 plasmoid for monitoring emerge progress ( http://www.kde-look.org/content/show.php?content=103928 )
plasma-lionmail : A Plasma widget displaying new and important email ( https://www.kde.org http://www.vizzzion.org )
plasma-mpd-nowplaying : Plasmoid attached to MPD displaying currently played item ( http://kde-look.org/content/show.php/MPD+Now+Playing?content=132350 )
plasma-network-status : KDE applet to monitor the network interface status ( http://sourceforge.net/projects/pa-net-stat/ )
plasma-nm : KDE Plasma applet for NetworkManager ( https://projects.kde.org/projects/playground/network/plasma-nm )
plasma-photooftheday : Photo of the Day plasmoid ( http://www.kde-look.org/content/show.php/Photo+of+the+Day?content=104631 )
plasma-widget-menubar : A Plasma widget to display menubar of application windows ( https://launchpad.net/plasma-widget-menubar )
plasma-widget-message-indicator : Plasmoid for displaying Ayatana indications ( https://launchpad.net/plasma-widget-message-indicator )
plasma-wifi : KDE4 plasmoid. Displays the currect signal strength ( http://www.kde-look.org/content/show.php/cpuload?content=79476 )
plasmatvgr : KDE4 plasmoid which shows greek TV program ( http://www.kde-look.org/content/show.php/plasmatvgr?content=75728 )
plasmoid-workflow : Plasmoid that integrates Activities, Virtual Desktops and Tasks Functionalities in one component ( http://kde-look.org/content/show.php/?content=147428 )
pyrad : A wheel type command interface for KDE, heavily inspired by Kommando ( https://bitbucket.org/ArneBab/pyrad https://pypi.python.org/pypi/pyRadKDE )
quadkonsole : Grid of Konsole terminals ( http://kb.ccchl.de/quadkonsole4/ )
quickaccess : KDE4 plasmoid. Designed for the panel, provides quick access to the most used folders ( http://kde-look.org/content/show.php?content=134442 )
redshift-plasmoid : KDE4 plasmoid for redshift ( http://kde-apps.org/content/show.php/Redshift+Plasmoid?content=148737 https://github.com/simgunz/redshift-plasmoid/ )
rsibreak : Small utility which bothers you at certain intervals ( https://userbase.kde.org/RSIBreak )
semantik : Mindmapping-like tool for document generation ( http://freehackers.org/~tnagy/semantik.html https://code.google.com/p/semantik/ )
serverstatuswidget : KDE plasma widget used for monitoring servers via ping or tcp connect ( http://www.kde-look.org/content/show.php?content=101336 )
skanlite : KDE image scanning application ( https://www.kde.org/applications/graphics/skanlite/ )
smooth-tasks : Alternate taskbar KDE plasmoid, similar to Windows 7 ( https://bitbucket.org/flupp/smooth-tasks-fork )
socket-sentry : A KDE plasmoid that displays real-time network traffic on your Linux computer ( https://code.google.com/p/socket-sentry )
stdin-plasmoid : KDE4 plasmoid for executing a process and capturing its stderr and stdout ( http://www.kde-look.org/content/show.php/STDIN+Plasmoid?content=92309 )
steamcompanion : Connector for web Steam service from Valve ( http://kde-look.org/content/show.php/Steam+Companion?content=141713 )
stock-quote : Displays stock quotes pulled from the Yahoo! servers ( http://www.kde-look.org/content/show.php/Stock+Quote?content=90695 )
synaptiks : Touchpad configuration and management tool for KDE ( http://synaptiks.readthedocs.org )
systemd-kcm : KDE control module for systemd ( https://projects.kde.org/projects/playground/sysadmin/systemd-kcm )
takeoff : A tablet desktop style app launcher ( https://code.google.com/p/takeoff-launcher/ )
tellico : A collection manager for the KDE environment ( http://tellico-project.org/ )
wacomtablet : KControl module for Wacom tablets ( http://kde-apps.org/content/show.php?action=content%26content=114856 )
wicd-client-kde : Wicd client built on the KDE Development Platform ( http://kde-apps.org/content/show.php/Wicd+Client+KDE?content=132366 )
yakuake : A quake-style terminal emulator based on KDE konsole technology ( https://yakuake.kde.org/ )
yawp : Yet Another Weather Plasmoid ( http://www.kde-look.org/content/show.php?content=94106 )
zanshin : Todo management application for KDE ( https://zanshin.kde.org/ )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a gentoo
For Paludis use this rsync : rsync://gentoo.zugaina.org/gentoo-portage
If you have a problem : ycarus(-at-)zugaina.org