Open Source Intelligence - Other

Bitcoin Block Explorer
Boat, Yacht, & Ship Information Center
Cryptome
Defense Security Service (DSS)
Defense Technical Information Center (DTIC)
Directory of Open Access Journals
Docs.com
FCC Search Tools
Firearms Identification
Getty Research Institute
Global File Search
Global Terrorism Database
Google Scholar
Internet Archive
Investigator's Toolbox
Jane's 360
Live-Radio.net
Live Ship Map
National Institutes of Health National Library of Medicine
National Map Data
National Technical Information Service (NTIS)
National Traffic and Road Closure Information
Office of Foreign Assets Control (OFAC)
Portico
Public Record Sites
Radio Call Signs by Country
Radio Call Signs by Sign
RAND Corporation
Search Systems
Spy Numbers Station Database
Vanderbilt University Databases
Wayback Machine
WorldCat