Unified Modeling Language

• Computers: Programming: Languages 
• Computers: Data Formats: Markup Languages 

• Architecture and Design: Unified Modeling Language  - Wide collection UML tutorials, glossaries, FAQs, references, and other links on objects and components.
• BridgePoint  - Advanced UML-based environment. Describes features and benefits, with data sheets, toolbox, and uses.
• IBM: The Rational Edge  - The e-zine for the IBM Rational community which features monthly articles on SOA solution, versioning requirements and a lot more computing topics.
• IBM: Unified Modeling Language  - Contains UML description, the basics, use cases, tools and online developer’s forum.
• Intertech: Complete Requirements via Use Case Training  - Teaches students the terminology, notation, and process of developing Use Cases as well as a basis for understanding the differences between this and traditional requirement gathering activities.
• Object by Design  - Dedicated to bringing valuable information about the world of object-oriented design and programming.
• UML CASE Tool Tutor  - Free downloadable UML tools along with the application features and links to other programming tools.
• UML Group  - Links to publications, events, mailing list, links and organization; working on the evolution and standardization of UML.
• UML Methodology  - Consists of ten steps. In each step, first a description of the notation is given, then a description of the methodology is provided, and finally all this is applied to the example system under development.
• UML Zone  - Provider of technical information, tools, and services for IT professionals developing corporate applications.
• Unified Modeling Language  - UML resources, includes the UML basics, software downloads, tutorials and tools.
• User Requirements Notation TWiki  - Site includes information on User Case Maps, UCM tools, URN documentation, samples and links to related sites.
• Warmer Kleppe  - Offers consultancy and training in UML, OCL, Unified Modeling language, Object Constraint Language, object technology and component based development. Site also provides links to related books, papers, reports and researches.