Links

Crochet patterns  
http://www.freevintagecrochet.com/
http://crochet.about.com/library/blfreepatts1.htm
http://www.crochetnmore.com/
http://www.lionbrand.com/
http://www.craftown.com/crochet.htm
http://www.allfreecrafts.com/crochet/index.shtml
http://www.coatsandclark.com/Crafts/Crochet/Projects/

Knitting patterns
http://www.knittingpatterncentral.com/
http://www.lionbrand.com/content-knittingPatternIndex.html
http://www.freevintageknitting.com/
http://www.knitting-and.com/knitting/allpatterns.htm
http://www.knitting-and.com/knitting/allpatterns.htm

Weaving sites
http://plainweave.net/Plain_Weave/Welcome.html
http://42explore.com/weave.htm
http://www.hillinstitute.com/
http://weavinginbeauty.com/
http://www.craftsitedirectory.com/weaving/index.html