Amateur Winemakers Resource: Contains winemaking recipes and links for the home winemaker. Also lists wine-related ICQs.
Enology Database: Searchable catalog of web resources. Also includes some general wine-related links.
Joy of Home Winemaking Links: Categorized list of sites with brief comments.
Organic Viniculture and Viticulture - Suite101.com: Articles describe organic methods along with their effects on health and the environment. Also includes discussions and links.
Smalloak.com: Updated twice a month with links to winemaking articles and news. Contains allot of links to technical information as well as a technical discussion forum.
The Amateur Winemakers of Ontario: A very good collection of technical articles and resources for the amateur winemaker. Will even benefit professionals.
TheWineFly: Technical enology information, database tools, job contacts, and links for professional winemakers.
V and E Other Wine and Grape Related Links: List of academic, scientific and general links, from the University of California at Davis Viticulture and Enology department.
Wines and Vines Magazine: Monthly winery, viticulture and wine business updates and articles. Has good technical and marketing content.