Free software for designing a triangular or quadrangular sail with control of its shape. The software output can be used with CAD software, can be printed, or can be further analyzed with a spreadsheet.
Custom sailmaker specializing in a variety of cruising sails. Extensive on-line questionnaire for obtaining a quote to help you choose quality, cloth, cut, battens, hardware, and other details of a sail.
International chain of sail lofts providing sails for bluewater and coastal cruising. Site includes text-only advice on sail trim, technique, and tuning.
Several hundred sail lofts in the US and Canada, listed by Dutchman, the maker of a reefing and furling accessory.
A combination of two of the lowest friction materials, UHMW polyethylene and MDS Nylon, Dutchman has created a lighter less expensive alternative to ball-bearing systems.