Encontré en OsNews una liga a un artículo en el cual listan programas para manejar video en GNU/Linux, copio y pego las recomendaciones:

Reproductores

Gnash Flash movie player
Kaffeine Full featured media player for KDE
KMPlayer Basic audio/video viewer application for KDE
Miro A platform for Internet television and video
MPlayer Extremely powerful movie player
Ogle DVD player that supports DVD menus
SMPlayer Qt based MPlayer front-end
Totem Official movie player of the GNOME desktop environment
VLC Portable multimedia player for various audio and video formats
xine Powerful multimedia program, specializing in video playback

Video Grabadores

Elisa Media Center Cross-platform media center solution designed to be simple to use
Freevo Manage your entire digital media collection
LinuxMCE Media PC / HTPC (Home Theater PC) similar to Windows XP Media Center
MythTV Provides a Home Theatre convergence box

Clasificadores de medios

GCStar Manages personal collections
Griffith Movie collection manager application
Tellico KDE application for organizing your collections

Editores

Avidemux Video editor designed for simple cutting, filtering and encoding tasks
Celtx Screenwriting software for writing and formatting a screenplay
Cinelerra 3 main functions: capturing, compositing, and editing audio/video
Kdenlive Non-linear video editor for KDE
Kino Non-linear DV editor
LiVES Video Editing System designed to be simple to use, yet powerful
Open Movie Editor Non-linear video editor designed for basic movie making capabilities

Samplers

Veejay Visual instrument and realtime video sampler

Streaming de video

MPEG4IP End-to-end system to explore streaming multimedi
a FreeJ Digital instrument for video livesets with realtime rendering of multilayered video

Animación

Blender 3D content creation suite
Stopmotion Create stop motion animations

Cámaras web

Cheese Use your webcam to take photos and videos
HasciiCam Serves live ascii video over the net

Codificación y conversión

FFmpeg Real time audio/video encoder/converter, streaming server
HandBrake Multithreaded DVD to MPEG-4 converter
MEncoder Simple movie encoder, designed to encode MPlayer-playable movies
thin liquid film Convert videos to the Ipod format
transcode Console based tools for transcoding video and audio files

Creación de DVD y ripeo

DeVeDe Create video DVDs, suitables for home players, from any number of video files
DVDStyler Cross-platform DVD authoring application
DVD-Author GUI frontend for dvdauthor and related tools
Thoggen DVD backup utility ('DVD ripper'), based on GStreamer and Gtk+

Herramientas

dvgrab Receives audio and video data from a digital camcorder via an IEEE1394
recordMyDesktop Captures audio-video data of a desktop session

Por respeto al autor original de la lista ni hago los enlaces a las páginas de los programas, visiten la página con el artículo original si les interesa alguno.

Creo que con estas herramientas podemos comenzar a "jugar" con video, justo me entero de ellas cuando necesito cortar un vídeo de un DVD, espero les sirva como estoy seguro que me servirá.