http://baxterweb.com/puzzles/
www.ageofpuzzles.com/
www.puzzles.com
http://home.comcast.net/~stegmann/home.htm
www.puzzlemaster.ca

www.puzzleworld.org/SlidingBlockPuzzles/
www.ageofpuzzles.com/Puzzles/SlidingBlockPuzzles.htm
www.brainyday.com/jared/flash/sliders.html
http://home.comcast.net/~stegmann/sliding.htm
http://home.comcast.net/~stegmann/rearrangement.htm#dihedral
www.twistypuzzles.com
www.geocities.com/jaapsch/puzzles/
 www.rodoval.com/Deslizzzp/Deslizzzp.html
www.slidingblock.tk
www.markus-goetz.de
www.puzzleatomic.com
www.puzzlein.com
http://picasaweb.google.com/CollectorOfPuzzles/Schiebepuzzles?authkey=Gv1sRgCIjrteCvmdaaQw&feat=content_notification#
http://sites.google.com/site/geduldspiele/Home/sliding
http://demonstrations.wolfram.com/SquareShufflePuzzle/

DUTCH

www.puzzelmuseum.nl
www.schuifpuzzels.nl
www.jokebecker.jimdo.com 
http://web.inter.nl.net/users/markpeters/index.htm
http://cff.helm.lu/