UL Quick Guide to the Online Certification Directory – how to effectively use UL’s vast certification database (online .pdf file) – great site for information about fire run by NIST

NIST Report Archive – the Research Information Service has over 80,000 documents available at no charge

NIST Building and Fire Research Portal – central site for news and events, latest publications, software, and more

Fire Dynamics Simulator – used to model combustion and smoke

Kristopher Overholdt’s pages – good source for links helping with fire modeling

Architect’s ToolBox – site with technical resources for Architects

Engineering ToolBox – technical resources for Engineers