Listed below are recommended audio, video and productivity apps for GNU/Linux complete with a short description.
Many of these apps are, or will be, included on the KXStudio DVD. Those not included are easily installed from the repositories in most cases.
 Amarok                  Feature-packed music player with support for syncing with ipods (up to 4th gen)
 
 Ardour			The original Linux DAW
 
 Audacious		Uncomplicated music player with good JACK support
 
 Audacity		Popular cross-platform sound editor but with poor JACK support
 
 Avidemux            Simple video editing and conversion tool ala Virtualdub
 
 Blender 3D		Powerful 3D modelling, animation, rendering and compositing
 
 Cadence			Controls and monitors various Linux sound systems
 
 cadence-jackmeter       Cadence-JackMeter is a digital peak meter for JACK
 
 cadence-xycontroller    Cadence-XY Controller is a simple XY widget that sends and receives data from Jack MIDI
 
 Carla			Audio plugin host (LADSPA, LV2, VST etc)
 
 Catia                   Catia is a JACK Patchbay, with some neat features like A2J bridge support and JACK Transport
 
 cinepaint		HDR, High bit-depth movie still editor
 
 Claudia                 Claudia is a LADISH frontend; it's just like Catia, but focused on session management through LADISH
 
 darktable		Virtual lighttable and darkroom
 
 DeVeDe			Creates DVD video and (S)VCD discs from movie files
 
 DIN (Din Is Noise)	Advanced fluid microtonal synthesis with drones and melodic effects, oriented toward Indian classical music
 
 Dolphin			The default KDE file manager
 
 Firefox			The original and best web browser
 
 FileZilla		(s)
FTP client (and server)
 
 
 GIMP			GNU Image Manipulation Program - Photoshop alternative
 
 gnumeric            A superior spreadsheet to the one included in LibreOffice or OpenOffice
 
 Guitarix		JACK virtual guitar amplifier
 
 Handbrake		Cross-platform DVD ripping and video transcoding
 
 Hydrogen		JACK drum machine and sequencer, note: many additional drum-kits are available by installing the package “hydrogen-drumkits”
 
 IDJC			Internet DJ Console is for live, web radio production. Features voip integration
 
 Inkscape		Leading open source vector graphics editor
 
 JAmin			JACK stereo audio mastering tool
 
 k3b			CD, DVD and BD burning
 
 Kdenlive		KDE video editor, similar to Sony Vegas
 
 ksnapshot		Take screenshots of windows or desktops
 
 LibreOffice		MS Office-compatible word processor, spreadsheet and presentation suite
 
 
 LightWorks          Professional, high-end video editor used in Hollywood productions (currently beta and 64-bit only)
 
 Lincoder		Java/mencoder based batch video conversion tool
 
 Lingot			Instrument tuner
 
 LMMS			FruityLoops-esque sequencer w/ integrated synths
 
 mhwaveedit		Lightweight sound editor with good JACK support
 
 Mixxx			DJ mixing software
 
 MusE			DAW with good MIDI editing features and some integrated plugins
 
 Musescore		Professional quality music notation and scoring
 
 Mypaint			Bitmap paint program that can simulate real painting techniques
 
 Okular			PDF and document viewer
 
 
 Paulstretch		Ambient sound generation via stretched sound recordings, extreme stretch lenghts and many controls over the sound
 
 QDVDauthor		DVD menu authoring
 
 Qsynth			Allows use of SoundFont files
 
 Qsampler		Allows use of sfz and gigasampler sample sets
 
 Qtractor		Fast, lightweight DAW
 
 REAPER			Powerful Windows-based DAW, officially supported under Wine
 
 Recorditnow		Record your desktop to a video file
 
 Rakarrack		JACK Guitar FX processor
 
 Rosegarden		MIDI sequencer with integrated notation
 
 samplv1			Simple sampler available as LV2 plugin and JACK app
 
 scribus			Professional layout and publishing software
 
 smplayer		Excellent audio and video playback app
 
 Soundkonverter		batch audio file conversion
 
 Sooperlooper		live looping sampler
 
 sunvox			Advanced module tracker with integrated synths, samplers and JACK support
 
 Swami			SoundFont editor
 
 synfig			Powerful 2D vector animation software
 
 TAL-Noisemaker		Superb sounding, fully automatable softsynth plugin
 
 VLC			The famous VLC media player
 
 VMPK			Virtual MIDI Piano Keyboard
 
 Wine			Wine allows most 
MS Windows software to run under GNU/Linux
 
 
 XCFA			Another sound conversion tool with more options than soundkonverter
 
 XJadeo			X JACK video monitor plays video in sync with a external time source (eg Ardour)
 
 Zynaddsubfx		JACK synthesizer