a52dec

library for decoding ATSC A/52 streams used in DVD

aalib

A ASCII-Graphics Library

acestream-x264

adplug

A free, cross-platform, hardware independent AdLib sound player library

aften

An A/52 (AC-3) audio encoder

aldumb

Allegro support for DUMB (an IT, XM, S3M, and MOD player library)

allegro

cross-platform multimedia library

alsa-lib

Advanced Linux Sound Architecture Library

alsa-oss

Advanced Linux Sound Architecture OSS compatibility layer.

alure

The OpenAL Utility Toolkit

ampache_browser

anttweakbar

aribb24

asio-sdk

assimp

aubio

Library for audio labelling

audiere

audiofile

An elegant API for accessing audio files

avidemux-core

avidemux-plugins

babl

Dynamic, any to any, pixel format conversion library

bcg729

bcmatroska2

bio2jack

A library for porting blocked I/O OSS/ALSA audio applications to JACK

blackmagic-desktop-video

blackmagic-desktop-video-sdk

blib

blib is a library full of useful things to hack the Blinkenlights

bzrtp

cal3d

Based on the eutils eclass

charls

chromaprint

cimg

clutter

Clutter is a library for creating graphical user interfaces

clutter-gst

Clutter is a library for creating graphical user interfaces

clutter-gtk

Clutter is a library for creating graphical user interfaces

codec2

cogl

coin

a high-level 3D graphics toolkit, fully compatible with SGI Open Inventor 2.1.

collada-dom

compface

Utilities and library to convert to/from X-Face format

ctl

AMPAS' Color Transformation Language

dav1d

desurium-cef

devil

DevIL image library

diorite

draco

dssi

Plugin API for software instruments with user interfaces

dssi-convolve

dumb

IT/XM/S3M/MOD player library with click removal and IT filters

elles_icc_profiles

embree

esdl

Erlang bindings for the SDL library

etsi-amr

exempi

Exempi is a port of the Adobe XMP SDK to work on UNIX

exiftool

Read and write meta information in image, audio and video files

faac

Free MPEG-4 audio codecs by AudioCoding.com

faad2

AAC audio decoding library

FAudio

fbx-sdk

fcam

fdk-aac

fdk-aac-dabplus-odr

ffmpegsource

fidlib

Field3D

flac

free lossless audio encoder and decoder

flickcurl

flif

fluidsynth-dssi

DSSI Soft Synth Interface

fmod

music and sound effects library, and a sound processing system

fontconfig

A library for configuring and customizing font access

fontconfig-infinality

fontconfig-ultimate

freealut

The OpenAL Utility Toolkit

freeglut

A completely OpenSourced alternative to the OpenGL Utility Toolkit (GLUT) library

freeimage

freetype

A high-quality and portable font engine

freeverb3

High Quality Reverb and Impulse Response Convolution library including XMMS/Audacious Effect plugins

fst

ftgl

library to use arbitrary fonts in OpenGL applications

game-music-emu

ganv

gavl

library for handling uncompressed audio and video data

gd

gegl

Generic Graphics Library is a graph based image processing framework.

gexiv2

giblib

Giblib, graphics library

giflib

Library to handle, display and manipulate GIF images

gimp-dds

gle

glee

glew

The OpenGL Extension Wrangler Library

glfw

glm

glpng

An OpenGL png image library

glu

glyr

gmmlib

gmtk

gnonlin

Gnonlin is a set of GStreamer elements to ease the creation of non-linear multimedia editors.

gnormalize

graphene

grilo

gsound

gst-plugins-bad

Less plugins for GStreamer

gst-plugins-base

Basepack of plugins for gstreamer

gst-plugins-good

Basepack of plugins for gstreamer

gst-plugins-ugly

Basepack of plugins for gstreamer

gst-rtsp-server

gstreamer

Streaming media framework

gstreamer-editing-services

guilib

a simple widget set for SDL

gupnp-dlna

hal-flash

hamlib

Ham radio backend rig control libraries

harfbuzz

hlslcc

hydrogen-drumkits

icc-profiles-basiccolor-printing2009

icc-profiles-openicc

icclib

id3lib

Id3 library for C/C++

ilbc-freeswitch

ilmbase

OpenEXR ILM Base libraries

imlib

imlib2

Version 2 of an advanced replacement library for libraries like libXpm

intel-mediasdk

jackd-firewire

jasper

software-based implementation of the codec specified in the JPEG-2000 Part-1 standard

jbig2dec

jbig2enc

jbigkit

data compression algorithm for bi-level high-resolution images

jpeg

Library to load, handle and manipulate images in the JPEG format

jxrlib

kodi-platform

ksquirrel-libs

Libs required by ksqirrel

kvazaar

l-smash

ladspa-cmt

CMT (computer music toolkit) Lasdpa library plugins

ladspa-sdk

The Linux Audio Developer's Simple Plugin API

lasi

C++ library for postscript stream output

lastfmlib

C++ library to scrobble tracks on Last.fm

lcms

A lightweight, speed optimized color management engine

lensfun

lensfun: A library for rectifying and simulating photographic lens distortions

leptonica

An open source C library for image processing and analysis

lgc

lib3ds

library for managing 3D-Studio Release 3 and 4 .3DS files

lib3mf

libaacplus

libaacs

libadlmidi

libafterimage

Afterstep's standalone generic image manipulation library

libansilove

libao

the audio output library

libaom

libart_lgpl

a LGPL version of libart

libass

Library for SSA/ASS subtitles rendering

libavg

libbass-bin

libbdplus

libbluray

libbmp

libbpg

libbs2b

Bauer stereophonic-to-binaural DSP library

libbsb

libcaca

A library that creates colored ASCII-art graphics

libcanberra

Portable Sound Event Library

libcdaudio

Library of cd audio related routines

libcddb

A library for accessing a CDDB server

libcdr

libchamplain

Clutter based world map renderer

libclalsadrv

An audio library by Fons Adriaensen <fons.adriaensen@skynet.be>

libclastfm

libclthreads

An audio library by Fons Adriaensen <fons.adriaensen@skynet.be>

libclxclient

An audio library by Fons Adriaensen <fons.adriaensen@skynet.be>

libconvolve

libcue

CUE Sheet Parser Library

libcuefile

Cue File library from Musepack

libdc1394

Library to interface with IEEE 1394 cameras following the IIDC specification

libdca

library for decoding DTS Coherent Acoustics streams used in DVD

libde265

libdiscid

Client library to create MusicBrainz enabled tagging applications

libdmtx

libdri2

libdts

libdv

Software codec for dv-format video (camcorders etc)

libdvbcsa

libdvbpsi

library for MPEG TS/DVB PSI tables decoding and generation

libdvd-audio

libdvdcss

A portable abstraction library for DVD decryption

libdvdnav

Library for DVD navigation tools

libdvdread

Provides a simple foundation for reading DVD-Video images

libebur128

libemf

Library implementation of ECMA-234 API for the generation of enhanced metafiles.

libeot

libepoxy

libexif

Library for parsing, editing, and saving EXIF data

libexif-gtk

GTK+ frontend to the libexif library (parsing, editing, and saving EXIF data)

libextractor

A simple library for keyword extraction

libfame

MPEG-1 and MPEG-4 video encoding library

libffado

libfilteraudio

libfishsound

Simple programming interface for decoding and encoding audio data using vorbis or speex

libfpx

A library for manipulating FlashPIX images

libfreehand

libg7221

libggi

Fast and safe graphics and drivers for about any graphics card to the Linux kernel (sometimes)

libggigcp

Library for General Graphics Interface

libggimisc

Library for General Graphics Interface

libggiwmh

Library for General Graphics Interface

libgig

libgig is a C++ library for loading Gigasampler files and DLS (Downloadable Sounds) Level 1/2 files.

libgii

Fast and safe graphics and drivers for about any graphics card to the Linux kernel (sometimes)

libglvnd

libgphoto2

Library that implements support for numerous digital cameras

libgpod

iPod library

libgroove

libharu

C/C++ library for PDF generation

libhdhomerun

libheif

libicns

A library for manipulating MacOS X .icns icon format

libid3tag

The MAD id3tag library

libiec61883

library for capturing video (dv or mpeg2) over the IEEE 1394 bus

libifp

A general-purpose library-driver for iRiver's iFP portable audio players.

libilbc

libinsane

libinstpatch

libipod

lightweight and fast library written in C for managing Apple iPods

libiptcdata

library for manipulating the International Press Telecommunications Council (IPTC) metadata

libirman

library for Irman control of Unix software

libjackasyn

An application/library for connecting OSS apps to Jackit.

libjpeg-turbo

libjsw

provide a uniform API and user configuration for joysticks and game controllers

libkarma

libkate

Codec for karaoke and text encapsulation for Ogg

liblastfm

Collection of libraries to integrate Last.fm services

libldac

liblingoteach

A library to support lingoteach-ui and for generic lesson development.

liblo

Lightweight OSC (Open Sound Control) implementation

liblqr

An easy to use C/C++ seam carving library

liblrdf

A library for the manipulation of RDF file in LADSPA plugins

liblscp

liblscp is a C++ library for the Linux Sampler control protocol.

libltc

libmad

"M"peg "A"udio "D"ecoder library

libmafw

libmafw-shared

libmatemixer

libmatroska

Extensible multimedia container format based on EBML

libmediaart

libmediainfo

libmetalink

Library for handling Metalink files

libmikmod

A library to play a wide range of module formats

libmkv

libmms

Common library for accessing Microsoft Media Server (MMS) media streaming protocol

libmng

Multiple Image Networkgraphics lib (animated png's)

libmodplug

Library for playing MOD-like music files

libmonome

libmp3splt

a library for mp3splt to split mp3 and ogg files without decoding.

libmp4v2

Functions for accessing ISO-IEC:14496-1:2001 MPEG-4 standard

libmpd

libmpdclient

MPD client library

libmpeg2

library for decoding mpeg-2 and mpeg-1 video

libmpeg3

An mpeg library for linux

libmpris2client

libmtp

An implementation of Microsoft's Media Transfer Protocol (MTP).

libmygpo-qt

libmypaint

libmysofa

libnjb

a C library and API for communicating with the Creative Nomad JukeBox digital audio player.

libnsbmp

libnsgif

libnspsl

libnut

Library and tools to create NUT multimedia files

libofa

Open Fingerprint Architecture

libogg

the Ogg media file format library

liboggz

Oggz provides a simple programming interface for reading and writing Ogg files and streams

libopendaap

libopendaap is a library which enables applications to discover and connect to iTunes(R) music shares

libopenglrecorder

libopenmpt

libopenraw

Decoding library for RAW image formats

libopenshot

libopenshot-audio

libopusenc

libpagemaker

libpano13

Helmut Dersch's panorama toolbox library

libpgf

Library to load, handle and manipulate images in the PGF format

libplacebo

libpng

Portable Network Graphics library

libpostproc

libpqstego

Library for Perturbed Quantization Steganography

libprojectm

A graphical music visualization plugin similar to milkdrop

libqaccessibilityclient

libquicktime

A library based on quicktime4linux with extensions

libquvi

libquvi-scripts

libraw

librealsense

libreplaygain

Replay Gain library from Musepack

librosprite

libsamplerate

Secret Rabbit Code (aka libsamplerate) is a Sample Rate Converter for audio

libsbsms

libsdl

Simple Direct Media Layer

libsdl2

libsdl2-mingw

libsfml

Simple and fast multimedia library

libshairport

libshout

libshout is a library for connecting and sending data to icecast servers.

libshout-idjc

libsidplay

C64 SID player library

libsidplayfp

libsixel

libsmf

libsndfile

A C library for reading and writing files containing sampled sound

libsoundio

libsoundtouch

Audio processing library for changing tempo, pitch and playback rates.

libspatialaudio

libspiro

libsquish

libsvgtiny

libtaginfo

libtgvoip

libtheora

The Theora Video Compression Codec

libtiger

A rendering library for Kate streams using Pango and Cairo

libtimidity

MIDI to WAVE converter library

libtxc_dxtn

libuiohook

libunicodenames

libuninameslist

Library of unicode annotation data

libupnpp

libuvc

libv4l

V4L userspace libraries

libvisio

libvisual

Libvisual is an abstraction library that comes between applications and audio visualisation plugins.

libvorbis

the Ogg Vorbis sound file format library

libvpx

libwebp

libwmf

library for converting WMF files

libxcam

libXcm

libxmi

libxmlbird

libxspf

Playlist handling library

libxtract

A simple, portable, lightweight library of audio feature extraction functions

libyami

libzen

libzmf

lilv

lsp-plugins

luxcorerender

luxrays

lv2

lvtk

maiat3plusdec

mash

mbelib

mediastreamer

Mediastreaming library for telephony application

melted

memphis

A map-rendering application and a library for OpenStreetMap

mesa

OpenGL-like graphic library for Linux

mlt

An open source multimedia framework, designed and developed for television broadcasting

MonkVG

mozjpeg

munt-mt32emu

musicbrainz

Client library to access metadata of mp3/vorbis/CD media

mutagen

Mutagen is an audio metadata tag reader and writer implemented in pure Python.

nas

Network Audio System

netpbm

A set of utilities for converting to/from the netpbm (and related) formats

nite

nuvolasdk

nv-codec-headers

oidn

openal

opencamlib

opencollada

opencolorio

opencore-amr

Implementation of Adaptive Multi Rate Narrowband and Wideband speech codec

openctm

opencv

A collection of algorithms and sample code for various computer vision problems.

opendwg

openexr

ILM's OpenEXR high dynamic-range image file format libraries

openexr_ctl

OpenEXR CTL libraries

openglide

openh264

openicc

openimageio

openjpeg

An open-source JPEG 2000 codec written in C

OpenMOIV

openni

openni-kinect

openni-sensor

openslide

opensubdiv

opentld

openvr

openwebrtc

opus

opusfile

osl

oyranos

Color Management System (CMS) on the operating system level

partio

pcsx-df

phat

Collection of GTK+ widgets geared toward pro-audio apps.

phonon

phonon-gstreamer

phonon-vlc

plib

multimedia library used by many games

plotutils

a powerful C/C++ function library for exporting 2-D vector graphics

pnglite

Small and simple library for loading and writing PNG images

portaudio

An open-source cross platform audio API.

portmidi

proxymusic

ptex

pulseaudio-qt

pyliblo

pymemphis

pyphat

qhull

Geometry library

qimageblitz

qm-dsp

qt-gstreamer

qtav

quesoglc

A free implementation of the OpenGL Character Renderer (GLC)

quvi

library for parsing video download links

raop-play

raptor

The RDF Parser Toolkit

raspberrypi-userland

raspberrypi-userland-bin

raul

Realtime Audio Utility Library: lightweight header-only C++

rem

resid

C++ library to emulate the C64 SID chip

rlottie

rsound

rtaudio

rtmidi

rubberband

An audio time-stretching and pitch-shifting library and utility program

sampleicc

sbc

sdif

The Sound Description Interchange Format Library is a library that deals with audio and wave processing.

sdl-gfx

sdl-image

sdl-mixer

sdl-net

Simple Direct Media Layer Network Support Library

sdl-pango

connect the text rendering engine of GNOME to SDL

sdl-sound

A library that handles the decoding of sound file formats

sdl-terminal

library that provides a pseudo-ansi color terminal that can be used with any SDL application

sdl-ttf

sdl2-gfx

sdl2-image

sdl2-mixer

sdl2-net

sdl2-ttf

sdlmm

A C++ Wrapper for the Simple DirectMedia Layer

sfarklib

sg

sge

Graphics extensions library for SDL

shaderc

shine

simage

skstream

FreeSockets - Portable C++ classes for IP (sockets) applications

slg

slv2

SLV2 is a library for LV2 hosts

smjpeg

smpeg

SDL MPEG Player Library

smpeg2

sneetchalizer

soil

SoQt

The glue between Coin3D and Qt

soxr

SoXt

spandsp

SpanDSP is a library of DSP functions for telephony.

speex

Audio compression format designed for speech.

speexdsp

sratom

stimg

Simple and tiny image loading library

stk

Synthesis ToolKit in C++

stops

Organ stops for aeolus by Fons Adriaensen <fons.adriaensen@skynet.be>

suil

svgalib

A library for running svga graphics on the console

swfdec

Macromedia Flash decoding library

t1lib

A Type 1 Font Rasterizer Library for UNIX/X11

taglib

A library for reading and editing audio meta data

taglib-extras

Unofficial taglib plugins maintained by the Amarok team

tegra3-codecs

theoraplay

tiff

Library for manipulation of TIFF (Tag Image File Format) images

tremor

tse3

TSE3 Sequencer library

unicap

urt

the Utah Raster Toolkit is a library for dealing with raster images

vamp-plugin-sdk

Audio processing plugin system for plugins that extract descriptive information from audio data

vapoursynth

vidstab

vigra

C++ computer vision library with emphasize on customizable algorithms and data structures

vips

VIPS Image Processing Library

virglrenderer

vlc-qt

vo-aacenc

vo-amrwbenc

volpack

Volume rendering library

vst-sdk

vstream-client

vulkan-base

vulkan-demos

vulkan-layers

vulkan-loader

vxl

waffle

waifu2x-converter-cpp

webrtc-audio-processing

wiimms-iso-tools

win32codecs

woff2

wxsvg

C++ library to create, manipulate and render SVG files.

x264

A free library for encoding X264/AVC streams

x265

xine-lib

Core libraries for Xine movie player

xvid

XviD, a high performance/quality MPEG-4 video de-/encoding solution

zimg

zint

zita-alsa-pcmi

zita-convolver

An audio library by Fons Adriaensen <fons.adriaensen@skynet.be>

zita-resampler

zvbi

VBI Decoding Library for Zapping

zxing-cpp

a52dec

libconvolve

lv2

aalib

libcue

lvtk

acestream-x264

libcuefile

maiat3plusdec

adplug

libdc1394

mash

aften

libdca

mbelib

aldumb

libde265

mediastreamer

allegro

libdiscid

melted

alsa-lib

libdmtx

memphis

alsa-oss

libdri2

mesa

alure

libdts

mlt

ampache_browser

libdv

MonkVG

anttweakbar

libdvbcsa

mozjpeg

aribb24

libdvbpsi

munt-mt32emu

asio-sdk

libdvd-audio

musicbrainz

assimp

libdvdcss

mutagen

aubio

libdvdnav

nas

audiere

libdvdread

netpbm

audiofile

libebur128

nite

avidemux-core

libemf

nuvolasdk

avidemux-plugins

libeot

nv-codec-headers

babl

libepoxy

oidn

bcg729

libexif

openal

bcmatroska2

libexif-gtk

opencamlib

bio2jack

libextractor

opencollada

blackmagic-desktop-video

libfame

opencolorio

blackmagic-desktop-video-sdk

libffado

opencore-amr

blib

libfilteraudio

openctm

bzrtp

libfishsound

opencv

cal3d

libfpx

opendwg

charls

libfreehand

openexr

chromaprint

libg7221

openexr_ctl

cimg

libggi

openglide

clutter

libggigcp

openh264

clutter-gst

libggimisc

openicc

clutter-gtk

libggiwmh

openimageio

codec2

libgig

openjpeg

cogl

libgii

OpenMOIV

coin

libglvnd

openni

collada-dom

libgphoto2

openni-kinect

compface

libgpod

openni-sensor

ctl

libgroove

openslide

dav1d

libharu

opensubdiv

desurium-cef

libhdhomerun

opentld

devil

libheif

openvr

diorite

libicns

openwebrtc

draco

libid3tag

opus

dssi

libiec61883

opusfile

dssi-convolve

libifp

osl

dumb

libilbc

oyranos

elles_icc_profiles

libinsane

partio

embree

libinstpatch

pcsx-df

esdl

libipod

phat

etsi-amr

libiptcdata

phonon

exempi

libirman

phonon-gstreamer

exiftool

libjackasyn

phonon-vlc

faac

libjpeg-turbo

plib

faad2

libjsw

plotutils

FAudio

libkarma

pnglite

fbx-sdk

libkate

portaudio

fcam

liblastfm

portmidi

fdk-aac

libldac

proxymusic

fdk-aac-dabplus-odr

liblingoteach

ptex

ffmpegsource

liblo

pulseaudio-qt

fidlib

liblqr

pyliblo

Field3D

liblrdf

pymemphis

flac

liblscp

pyphat

flickcurl

libltc

qhull

flif

libmad

qimageblitz

fluidsynth-dssi

libmafw

qm-dsp

fmod

libmafw-shared

qt-gstreamer

fontconfig

libmatemixer

qtav

fontconfig-infinality

libmatroska

quesoglc

fontconfig-ultimate

libmediaart

quvi

freealut

libmediainfo

raop-play

freeglut

libmetalink

raptor

freeimage

libmikmod

raspberrypi-userland

freetype

libmkv

raspberrypi-userland-bin

freeverb3

libmms

raul

fst

libmng

rem

ftgl

libmodplug

resid

game-music-emu

libmonome

rlottie

ganv

libmp3splt

rsound

gavl

libmp4v2

rtaudio

gd

libmpd

rtmidi

gegl

libmpdclient

rubberband

gexiv2

libmpeg2

sampleicc

giblib

libmpeg3

sbc

giflib

libmpris2client

sdif

gimp-dds

libmtp

sdl-gfx

gle

libmygpo-qt

sdl-image

glee

libmypaint

sdl-mixer

glew

libmysofa

sdl-net

glfw

libnjb

sdl-pango

glm

libnsbmp

sdl-sound

glpng

libnsgif

sdl-terminal

glu

libnspsl

sdl-ttf

glyr

libnut

sdl2-gfx

gmmlib

libofa

sdl2-image

gmtk

libogg

sdl2-mixer

gnonlin

liboggz

sdl2-net

gnormalize

libopendaap

sdl2-ttf

graphene

libopenglrecorder

sdlmm

grilo

libopenmpt

sfarklib

gsound

libopenraw

sg

gst-plugins-bad

libopenshot

sge

gst-plugins-base

libopenshot-audio

shaderc

gst-plugins-good

libopusenc

shine

gst-plugins-ugly

libpagemaker

simage

gst-rtsp-server

libpano13

skstream

gstreamer

libpgf

slg

gstreamer-editing-services

libplacebo

slv2

guilib

libpng

smjpeg

gupnp-dlna

libpostproc

smpeg

hal-flash

libpqstego

smpeg2

hamlib

libprojectm

sneetchalizer

harfbuzz

libqaccessibilityclient

soil

hlslcc

libquicktime

SoQt

hydrogen-drumkits

libquvi

soxr

icc-profiles-basiccolor-printing2009

libquvi-scripts

SoXt

icc-profiles-openicc

libraw

spandsp

icclib

librealsense

speex

id3lib

libreplaygain

speexdsp

ilbc-freeswitch

librosprite

sratom

ilmbase

libsamplerate

stimg

imlib

libsbsms

stk

imlib2

libsdl

stops

intel-mediasdk

libsdl2

suil

jackd-firewire

libsdl2-mingw

svgalib

jasper

libsfml

swfdec

jbig2dec

libshairport

t1lib

jbig2enc

libshout

taglib

jbigkit

libshout-idjc

taglib-extras

jpeg

libsidplay

tegra3-codecs

jxrlib

libsidplayfp

theoraplay

kodi-platform

libsixel

tiff

ksquirrel-libs

libsmf

tremor

kvazaar

libsndfile

tse3

l-smash

libsoundio

unicap

ladspa-cmt

libsoundtouch

urt

ladspa-sdk

libspatialaudio

vamp-plugin-sdk

lasi

libspiro

vapoursynth

lastfmlib

libsquish

vidstab

lcms

libsvgtiny

vigra

lensfun

libtaginfo

vips

leptonica

libtgvoip

virglrenderer

lgc

libtheora

vlc-qt

lib3ds

libtiger

vo-aacenc

lib3mf

libtimidity

vo-amrwbenc

libaacplus

libtxc_dxtn

volpack

libaacs

libuiohook

vst-sdk

libadlmidi

libunicodenames

vstream-client

libafterimage

libuninameslist

vulkan-base

libansilove

libupnpp

vulkan-demos

libao

libuvc

vulkan-layers

libaom

libv4l

vulkan-loader

libart_lgpl

libvisio

vxl

libass

libvisual

waffle

libavg

libvorbis

waifu2x-converter-cpp

libbass-bin

libvpx

webrtc-audio-processing

libbdplus

libwebp

wiimms-iso-tools

libbluray

libwmf

win32codecs

libbmp

libxcam

woff2

libbpg

libXcm

wxsvg

libbs2b

libxmi

x264

libbsb

libxmlbird

x265

libcaca

libxspf

xine-lib

libcanberra

libxtract

xvid

libcdaudio

libyami

zimg

libcddb

libzen

zint

libcdr

libzmf

zita-alsa-pcmi

libchamplain

lilv

zita-convolver

libclalsadrv

lsp-plugins

zita-resampler

libclastfm

luxcorerender

zvbi

libclthreads

luxrays

zxing-cpp

libclxclient