Stichting Mondriaanhuis
The Mondriaanhuis foundation is housed in the birthplace of the painter, his biography, exhibitions, and links.

WebMuseum - Mondrian, Piet
Contains a few paintings, and an article about pure abstraction.

AIDA - Piet Mondrian
The only art exhibition recycling services in the world, offers Mondriaan drawings and sketches.

Philately Universe Special - Piet Mondriaan
Dutch painters on stamps.

Ptank.com - Mondrian Machine
Uses JavaScript to approximate the style of Piet Mondrian's most recognizable paintings. Also provides a brief biography, examples of works and description of neoplasticism.

Mondriaan.net
Collection of images of artist's works and a biography.

Fysisch-Mathematische Faculteitsvereniging - Piet Mondrian
A collected list of internet based resources, links, and other bits and bobs for the artist Piet Mondrian.

Visual Communication Network - Mondrian Applet
An applet to randomly generate modern art in the style of Piet Mondrian.

The ArtFile - Piet Mondriaan
His biography, a gallery, and links to related styles.

Mondrian Trust
The official site of the Mondrian/Holtzman Estate. Copyright information, artist's works and biography.

Kimbell Art Museum - Composition No. 7 (Facade)
Features the painting Composition No. 7 by Piet Mondrian.

Museum of Modern Art - Piet Mondrian
View the painting "Broadway Boogie Woogie," and listen to an audio commentary of its history.

Harvard University Art Museum - Piet Mondrian
Features 17 of his "The Transatlantic Paintings" that the artists begun Europe and finished in New York.

Desires.com - The Mondrian Machine
Turn any computer into a work of Mondrian-esque art with this interactivity which takes creative advantage of a Web browser's frames capability.

Stephen Linhart - Mondrimat
A simple system that experiments with space, color and visual rhythm in accordance with the theories of Piet Mondrian.