DOORS Application Server
DOORS Application Server 9.1 can be downloaded from our website for free. The actual developer of the software is IBM. The most popular versions of the DOORS Application Server 9.1, 8.3 and 7.1. The program's installer file is generally known as doors.exe.
From the developer:
IBM® Rational® DOORS® software is a leading requirements management application that can help you reduce costs, increase efficiency and improve quality by enabling you to optimize requirements communication, collaboration and verification - throughout your organization and across your supply chain. It provides a comprehensive requirements management environment.
You may want to check out more software, such as IBM WebSphere Application Server, Ratelsoft Applications Server or Visual DataFlex Web Application Server, which might be related to DOORS Application Server.