| Time-boxing - | (Software Engineering) a project scheduling and control technique that establishes time boundaries for the completion of a specific project task |
| Tools - | (Software Engineering) application software used to perform software engineering tasks (e.g., design tools, testing tools); see also CASE tools |
| Total quality management - | (Software Engineering) a company commitment to develop a process that achieves high quality product and customer satisfaction |
| UML (Unified Modeling Language) - | (Software Engineering) a comprehensive diagrammatic notation for the analysis and design of software |
| Unified process - | (Software Engineering) a "use-case driven, architecture-centric, iterative and incremental" software process that emphasizes the use of UML notation |
| Use-case - | (Software Engineering) a written description that defines a very specific interaction between a user and a system, often (but not always) written in the form of a usage scenario |
| User hierarchy - | (Software Engineering) a hierarchical representation of the categories of users that will interact with any type of software |
| Validation - | (Software Engineering) tests to ensure that the software conforms to its requirements |
| WebApps (Web Applications) - | (Software Engineering) any application that delivers meaningful content or functionality to end users via the Web. |
| Web engineering - | (Software Engineering) the application of software engineering principles, concepts, and methods (or adaptations of them) to the development of Web-based applications or systems. |