1)   Equiv 2.0
Equiv is a program for the symmetry analysis of reflections, from single crystal diffraction data collection.
diffraction, X-ray, neutron, symmetry,

 2)   Tess (Mac) 1.66
While you draw, Tess will maintain the symmetry group you have chosen- 24 rosette (circular), all 7 frieze (strip), and all 17 wallpaper groups are included. Illustrations may be printed from Tess or exported to GIF,JIF,PCX,DXF,SVG,and other formats.
Tessellations, Symmetry, Drawing, Illustrating, Patterns,

 3)   Tess 1.63
While you draw, Tess will maintain the symmetry group you have chosen; 11 rosette (circular), all 7 frieze (strip), and all 17 wallpaper groups are included. Illustrations may be printed from Tess or exported to JIF, PCX, DXF, SVG, and other formats.
tessellations, symmetry, drawing, illustrating, patterns, Heesch, tiling, manifold,

 4)   Tile Builder 1.6
Tile Builder is a Photoshop-compatible plug-in for creation seamless patterns. It will be useful for web designers, artist and graphics enthusiasts. Run Tile Builder, choose tiling method and press Apply. You can save pattern for using anywhere.
imageskill, tile builder, tilebuilder, plugin, plug-ins, wallpaper, background, pattern, tile, texture,

 5)   Tile Builder Art Pack 1.0
100 free patterns and 25 masks generated by ImageSkill Tile Builder. Tile Builder is a Photoshop-compatible plug-in for creation seamless patterns. It will be useful for web designers, artist and graphics enthusiasts.
imageskill, tile builder, tilebuilder, plugin, plug-ins, wallpaper, background, pattern, tile, texture,