Science & tech | Puzzles | Reference and music | Number & word | |
Edmund Scientific | 3D Logic 2 | Card games | Dictionary עברית | Graph paper |
Exploratorium | Bejeweled | Game rules | Thesaurus | Jotto More Words |
Lego Mindstorms | Chuzzle | Mathwords | Life | |
Make | Collapse | Torah (sung תורה) | Bible Rashi | Math programs |
Minute Physics | Cubis | Mishnah משנה | Talmud תלמוד | MathWorld |
Optical illusions | Fant contrapt | RhymeZone | Pi search | |
Particle World | Filler | Downloaded (italics for pen input) | Pig Latin | |
Phylo | Ishido (manual) | ChemPad | Scratch | Sudoku |
Physics simulation | Open Doors | MathJournal | Game Maker | Wolfram Alpha |
Spy Museum | Tic Tac Toe | Graph | Music Notepad | |
Velleman |