Technical information:

Inspectapedia- a large resource of home inspection information, mostly technical.

http://www.inspectapedia.com/

Forums:

Nachi:

http://www.nachi.org/forum/

Inspection News:

InspectionNews: Home Inspection Information – Everything A Home Inspector Needs To Know About Home Inspections.

Home Inspection Insurance:

Allen Insurance Group
www.allenins.com

FREA
www.frea.com

OREP
www.orep.org

Business Risk Partners
www.inspectorinsurance.com

Professional Organizations:

Nachi- international association of certified home inspectors

www.nachi.org

Ashi- American society of home inspectors

http://ashi.org/

Nahi- National association of home inspectors

http://nahi.org/

Become an inspector:

State requirements-

http://www.home-inspect.com/legislation.asp

Home Inspection Training:

Home Inspector Training Institute LLC

Providing each student with the skills, training and inspired passion to operate professionally within the Home Inspection industry with ethics and integrity. We provide the most comprehensive Home Inspection training course designed to systematically educate each student focusing on real world scenarios with hands on training.
Home Inspector Training Institute

Kaplan-

http://www.home-inspect.com/

Home Inspector directories:

Inspection Directory-
Inspectiondirectory.com

American home inspector directory-

http://www.americanhomeinspectordirectory.com/

Home Inspections USA-

http://www.homeinspections-usa.com/

InspectionDirectory.com-

http://www.inspectiondirectory.com
Other resources:

Code check-

http://www.codecheck.com/cc/index.html

international code councel-

http://www.iccsafe.org/Pages/default.aspx

united infrared-

http://www.unitedinfrared.com/hi/