Sewing Sites

Generic/Idea Sites

• patternreview.com - Online links to
• mysewingcircle.com -
• stitchtalk.com -
  
• thesewingforum.co.uk -
• craftster.org -  Crafts including sewing projects

Specific Pattern Sites

• burdastyle.com - German-based company Burda transcends the normal big four "pattern company" style by offering online content, occasional free downloads, user content, and magazines with multiple patterns.
• voguepatterns.com - Source for regular, designer, and couture patterns.  A place to get a dress or pant moulage / sloper pattern.  A few men's patterns.
• simplicity.com - Patterns.  Decent selection of costume patterns.
• I haven't found a web site for Claire Schaeffer specifically, but julstech.blogspot.ca has a listing of most of the patterns she's produced (through Vogue Patterns.)
  

Skills Upgrade/Idea Sites

• threads.com - Illustrated techniques, some new ideas, advice on choosing the right tools or fabrics
• kennethdking.com - Couture designer, writer, frequent contributor to Threads Magazine.  Often has accessible workshops.  PDF patterns and moulage available on his web site.
• I haven't found a web site for Claire Schaeffer specifically, but julstech.blogspot.ca has a listing of most of the patterns she's produced (through Vogue Patterns.)  Her patterns are great for learning machine sewn couture and true couture (hand-sewn) techniques.