- DOORS stands for Dynamic Object-Oriented Requirements System (a Quality Systems & Software, Inc., QSS database management system)
- DOORS stands for Data Object Oriented Repository System (Evermore)
- DOORS stands for Distributed Object Oriented Reliable Service
- DOORS stands for Design of Object Oriented Real-time Systems (Carleton University, Ottawa, Canada)
- DOORS stands for DOL Online Opportunities Recruitment System (US Department of Labor)
- DOORS stands for Demonstration of Dynamic Object-Oriented Requirements System
DOORS