Some of the links listed below need registration with IBM ID (email + password) and/or existing maintenance contract
Download DOORS sofware
Download site for DOORS version previous to 9.1 (i.e. Telelogic DOORS 9.0 and downwards)
https://www.ibm.com/support/docview.wss?uid=swg21380552
Download site for IBM Rational clients and servers (version 9.1 up to 9.3)
https://www14.software.ibm.com/webapp/iwm/web/reg/pick.do?lang=en_US&source=RATL-RATIONAL
Download latest versions from IBM Passport Advantage
http://www-01.ibm.com/software/howtobuy/passportadvantage/index.html
Support pages
DOORS Support Portal, starting with the discussion forums (DXL, Administration, General and Integrations)
http://www.ibm.com/support/entry/portal/Forums_communities/Software/Rational/Rational_DOORS
Rational Support Blog (publishes new DOORS Support items)
https://www.ibm.com/developerworks/mydeveloperworks/blogs/nfrsblog/?lang=en
IBM Requirements Management Blog
https://www.ibm.com/developerworks/community/blogs/requirementsmanagement/?lang=en
Help and documentation
IBM Rational DOORS Documentation for version 9.1 and 9.2
http://publib.boulder.ibm.com/infocenter/rsdp/v1r0m0/index.jsp
Rational DOORS Information Center for version 9.3 and up
http://publib.boulder.ibm.com/infocenter/doorshlp/v9/index.jsp
Rational DOORS 9.5 Help
http://pic.dhe.ibm.com/infocenter/doorshlp/v9r5/index.jsp
White papers, technotes and tutorials
DeveloperWorks Technical Library for DOORS
http://www.ibm.com/developerworks/views/rational/libraryview.jsp?sort_by=&show_abstract=true&show_all=&search_flag=&contentarea_by=Rational&search_by=&product_by=P%3ARational+DOORS&topic_by=-1&industry_by=-1&type_by=All+Types&ibm-search=Search
IBM Knowledge Center for Rational DOORS
http://www-01.ibm.com/support/knowledgecenter/SSYQBZ/welcome
IBM Education Assistant for DOORS (tutorial videos for version 9.2 and up)
http://publib.boulder.ibm.com/infocenter/ieduasst/rtnv1r0/index.jsp?topic=/com.ibm.iea.doors/plugin_coverpage.html
Release notes for Rational DOORS and Rational DOORS Web Access (v 9.1 -)
http://www-01.ibm.com/support/docview.wss?rs=1090&uid=swg27038526
Web-based training for selected Rational products (old versions, but useful nevertheless)
http://www-01.ibm.com/support/docview.wss?uid=swg27040220
Telelogic legacy forums: discussions and file attachments
Available at IBM site for DOORS and other Telelogic branded applications
http://www-01.ibm.com/support/docview.wss?uid=swg27017148
DOORS Next Generation sites
DOORS Next Generation main page from Jazz.net, including dowload latest version
https://jazz.net/products/rational-doors/
DOORS Next Generation infocenter/help
http://pic.dhe.ibm.com/infocenter/clmhelp/v4r0m2/index.jsp?topic=%2Fcom.ibm.rational.dng.help.doc%2Ftopics%2Fc_about_dng.html
Latest update: February 10th 2014