Eco-block.com - The block we're using in our house.
Foldform.com - A cheaper block.
Quadlock.com - Another ICF system.
http://www.seaboardasphalt.com/LN-16_Data.htm - Clipper Ship ICF friendly Foundation Coating.
ICF surfacing systems.
McFeelys.com - Need screws? Check this out.
ARIT.com - DIY geothermal loops, radiant, and other stuff.
Blueridgecompany.com - Pex supplies, Radiant heat, etc.
Govliquidation.com - Surplus government stuff. See how much money they waste!
FastenersUSA.com- Great place for Stainless Steel nails.
General Building Information
Arboristsite.com - If you're cutting trees there's good info about this here.
Ownerbuilderbook.com - xcellent forum for owner builders.
Links to Metalworking websites. Some of these are amazing hobbyists.
http://www.geocities.com/richgetze/ - Beamboy - Simple program for calculating size of steel beams. You
need to understand deflection.
www.eng-tips.com - Great engineers forum.
trussteel.com - Steel framing pdf's galore.
http://www.buildingsgroup.nrcan.gc.ca/software/hot2000_e.html - Canadian Buildings Group - HVAC calc.
freecalc.com - Duct sizing and other HVAC calcs
play-hookey.com - Electricity explained for those of you ready to do something crazy
EER and SEER explained though I'm still not sure?
Woodtruss.com - Excellent truss details in PDF format. A+.
Strongtie.com - Simpson Strong Tie Website for specialized ICF hangers.
Trusjoist.com - All types of floor supports, microllam, parallam, silent floor, etc.
Smarthome.com - Home automation x10 stuff
Lutron.com - Lighting
Homeauto.com - Security Systems etc.
Winline - needed software for that old gov't surplus plotter.
cablerail.com - nice cable rail website.
Askcraiganddave.com - Bldg calcs, like stone, drywall, etc.
thegormleys.com - Owner/builder site
Ourcoolhouse.com - Owner/builder site
Sketchup- The best pre-visualization software made and free from Google now.
AutoCAD - We all love to hate it.
Piratebay.org - In case you need to tryout a software package before purchase
Helpful Websites, Books and Links!