GIMP, the GNU Image Manipulation Program, is a freely distributed package for image authoring, image composition, and photographic retouching, and is similar to Adobe Photoshop. It is currently installed on the Linux workstations as gimp. Man pages are available, as is on-line documentation at the http://www.gimp.org/ website.
display, Image Magick, is a machine architecture independent image processing and display program. It can display an image on any workstation screen running an X server. display can read and write many of the more popular image formats (e.g. JPEG, TIFF, PNM, Photo CD, etc.). For more information, check man display.
xfig, Facility for Interactive Generation of figures under X11, is a menu-driven tool that allows the user to draw and manipulate objects interactively under the X Window System. For more information, check man xfig.
We have a CorelDraw9 and PhotoPaint for a linux on sepia. Just run photopaint for PHOTO-PAINT and coreldraw for CorelDraw9. For more informations, check man coreldraw and photopaint.
xv, interactive image display for the X Window System, displays images in the GIF, JPEG, TIFF, PBM, PGM, PPM, X11 bitmap, Utah Raster Toolkit RLE, PDS/VICAR, Sun Rasterfile, BMP, PCX, IRIS RGB, XPM, Targa, XWD, possibly PostScript, and PM formats on workstations and terminals running the X Window System, Version 11.