The Analemmatic Sundial - Describes design and construction of a six meter wide analemmatic sundial in Canada.
Analemmatic Sundials - Descriptions of these vertical post sundials, why they work, detailed account of the maths necessary to plot the hour lines.
The British Sundial Society - Information on the society, links, beginner's pages, including simple sundial patterns and templates, online facilities to calculate hour lines for different sundial types.
Cadrans Solaire - Describes different types of sundials, has other technical and general information. Offers free Shadows software to compute sundials of a number of different types for anywhere in the world.
Jaipur - Jantar Mantar - Describes the jantar mantar (or yantra mandir) of Jaipur, and the massive sundials and other astronomical devices built there.