There are a large numbers of standards developing organizations(SDOs) and most of these organizations charge for their standards so most standards are not freely available. There is no overall index to available standards. A number of online vendors sell standards from SDOs so their online catalogs can sometimes be used to determine what standard are available.
The International Council (ICC) The ICC provides free online public viewing of their recent standards and codes The public access mode only allows viewing of the documents. It does not allow for downloading, bookmarking, coping or printing. Users can browse by category or select from a state map. Once a category is selected, users can click on the book cover icon of the available choices to see the text of the document. Click here to link to the free version of the latest International Building Code
The Electronic Code of Federal Regulations (e-CFR) is a currently updated version of the Code of Federal Regulations (CFR). It is not an official legal edition of the CFR. The e-CFR is an editorial compilation of CFR material and Federal Register amendments produced by the National Archives and Records Administration's Office of the Federal Register (OFR) and the Government Publishing Office. The OFR updates the material in the e-CFR on a daily basis. The current update status appears at the top of all e-CFR