Mechanical
- 21
- Stefan Pochmann's Cube Corner
- Information about speedsolving and events. Includes videos, records and a biography.
- 23
- Don's Puzzle Collection
- A collection of handmade wooden puzzles and brainteasers. Includes images of each both assembled and apart.
- 25
- Pentangle Puzzles
- Designers, manufacturers and distributors of over 150 quality wooden puzzles made in England.
- 29
- Magic Cube 4D
- This downloadable software allows you to play with a 4D Rubik's Cube on your own computer. The software is Windows, Linux, and UNIX compatible.
- 30
- Rob's Rubix Repair
- This online program can solve a scrambled Rubik's cube. Enter the colors of each face and the unique solution is generated.
- 31
- Rubik's Cube Simulator
- Virtual Rubik's Cube with multi-player races and single-player high scores list.
- 32
- 5x5x5 Rubik's Cube
- Solutions guide to the 5x5x5 Rubik's Cube, sometimes called the Professor's Cube.
- 34
- Advanced Rubik's Cube Solution
- An efficient method based on understanding rather than memorization.
- 38
- Jaap's Puzzle Page
- Descriptions and solutions for many different types of Rubik's Cube puzzles including Square-One, Alexander's Star, Tricky Disky, and Rubik's Magic.