List-O-Links a sampling from all over the web
Low-Tech Magazine and No Tech Magazine provide articles on resuscitating old technologies and creating a more sustainable infrastructure.
Open Source Ecology is a project dedicated to creating open source, DIY plans for all the tools and machines that make the modern lifestyle possible.
Primitive Ways is a major resource on primitive life skills and crafts. There are many many ways to start fires on this site.
Wareham Forge offers exceptional information on Viking Age crafts and blacksmithing. The article on smelting is among the most detailed.
Jesus Hernandez's site summarizes the Aristotle Hearth, Japanese Tartara, and Catalan Forge style smelters.
Vintage Projects, exactly what it sounds like.
Traditional Skills, a personal blog detailing experiences, testimonials, and projects involving traditional skills. The guy is living in a cabin in the woods with his family.
MayaPedal is an organization out of Guatemala which makes bicycle based helpful machines. Many of their machines have published plans on the site.
The King of Random is one of the best YouTube channels of all time.
This article from The Anvil's Ring offers a good explanation of iron smelting.
Article on threshing grains on a small scale.
GreenPowerScience offers information and products related to green energy and home DIY projects. Check out their YouTube channel as well.
WildWoodSurvival contains all the information on survival and bushcraft you will ever need.
OtherPower provides information about generating your own electrical power.
Lost Art Press sells books on a variety of traditional crafts with a heavy emphasis on woodworking.