Ink/Stitch - An Inkscape extension for designing machine embroidery patterns.
Embird - Machine-Independent Embroidery Software
PCStitch - PCStitch is the most popular design tool for creating counted cross-stitch patterns available!
Cstitch - free and open source program for creating cross stitch patterns from images
KXStitch - KXStitch is a cross stitch pattern editor by KDE.
SewArt Embroidery Digitizer - SewArt (SA) is an embroidery digitizer for converting raster image files (*.jpg/*.