- Erich Packing Centre
- Euclides elementen
- Geometric Dissections
- Geometry and Topology
- George Hart's online encyclopedia of polyhedra
- Kali-Jot Symmetry Drawing
- N-D Polytopes
- Non Euclidische geometrie
- Origami paper mosaics (tesselations software)
- Paper models of polyhedra
- Topology and Geometry Software
- Topology Atlas
- Visuele wiskunde
- Voronoi diagrams
Geometrie
Getallen
Onderwijs
- Cynthia Lanius math lessons
- Digischool Wiskunde
- Examens HAVO/VWO
- Geocadabra
- Getal en ruimte
- Gricha wiskundige vragenbank
- Math dictionary for kids
- Mrs Glosser math goodies
- NIO toets
- Online examens StudyFlow
- Purplemath
- Sil's wiskunde pagina
- SOS Mathematics
- Webmath: solves online math problems
- WiskundE brief docenten
- Wiskunde en wetenschap
- Wiskunde-examens.nl
Organisaties
Puzzell
- Alientiles.com
- Archimedes lab puzzels
- Barry is puzzled, brainteasers
- Brain teasers kids
- Brainbashers puzzels
- Clickmazes
- Diamond 16 puzzel
- Eternity puzzle
- Interactieve Java spelletjes
- Math challenges
- Mathcounts
- Paradoxes,puzzles,ideas
- Puzzle museum
- Scott Kim puzzle master
- Suzuki's Magic Squares
- The rec.puzzles Archives