Rules, the solution by Alex Selby and Oliver Riordan, other resources and links. The puzzle is made up of 209 pieces of polydrafters, each one is a combination of 12-30/60/90 triangles.

Lorente Philippe's site describes the building blocks, nomenclature, solutions, and numerous games. (French/English)

SOMA puzzle site with graphics, newsletter and software.

English words that can be written using the pentomino name letters FILNPTUVWXYZ and other related curiosities, including a homage to Georges Perec. (English/French).

A paper on their enumeration by Elisa Pergola and Robert A. Sulanke.

Graphics problems, solutions (including animated GIF) and links. (English/German through main page)

Solves given Pentominoes 3D puzzles. Solution is displayed in 3-D with disassembly and rotations. General information and data. [requires Java]

Pentomino pictures, software and other resources by Guenter Albrecht-Buehler.

Soma-solving program in QBASIC by Courtney McFarren.

Windows software to solve polyiamond and sliding block puzzles.