Methodologies
- 221
 - Poseidon for UML
 - Java UML editing tool with round trip engineering and documentation generation features. [Commercial, Free Community Edition]
 
- 222
 - SDMetrics
 - Calculates structural design quality metrics such as coupling, size, complexity for UML designs and provides XMI import. [Commercial, Free Trial]
 
- 223
 - SanDriLa
 - Program to make SDL, MSC, TTCN, URN and UML2 diagrams, implemented as a Microsoft Visio add-on. [Commercial, tree trial]
 
- 224
 - Sequence Diagram Editor
 - A tool for creating and editing UML sequence diagrams and call flows. Supports additional elements like states, actions and timers. Exports to PDF and RTF. By Effexis Software, LLC. [Commercial, Free Trial]
 
- 225
 - Slime UML
 - Slim modeling environment, is a lightweight UML Class Diagram drawing plug-in for the Eclipse Platform. [Free, Available on request]
 
- 228
 - UML/INTERLIS-editor
 - A UML editor based on UML 1.4 metamodel. It can export diagrams to SVG, JPEG and WMF formats, INTERLIS 2 and XML-Schema. It can import models and diagrams from Rational Rose XMI. [Open Source, LGPL]
 
- 229
 - UMLet
 - A lightweight tool for rapidly drawing UML diagrams from within the Eclipse environment. [Open Source, GPL]
 
- 230
 - UMT-QVT
 - Environment for code generation from UML models, based on XMI, to J2EE, Web services, xml schema and other [Open Source, LGPL]
 
- 231
 - UniMod
 - Eclipse plugin for designing object-oriented event-driven applications using automata-based programming adapted for UML. [Open Source, LGPL]
 
- 232
 - Use Case Maker
 - Tool that helps developers write well-organized use cases and requirements. [Free Software, GPL+LGPL]
 
- 233
 - Violet
 - A simple and easy-to-use UML editor, suitable for students and casual users. [Open Source, GPL]
 
- 234
 - Violet UML Editor Plugin for Eclipse
 - Cross-platform, easy-to-use UML editor integrated in the Eclipse development platform. [Open Source, GPL]
 
- 235
 - Visual Paradigm for UML
 - Cross-platform and easy-to-use visual UML modeling and CASE tool. Round-trip code generation and code reverse engineering support for Java. Integrated with Eclipse, JBuilder, NetBeans, IDEA, JDeveloper and WebLogic Workshop. [Commercial, Free Trial]
 
- 236
 - WithClass
 - UML Modeling Tool that allows you to draw UML Diagrams, generate code, and reverse engineer popular OO languages. By MicroGold Software Inc. [Commercial, Free Trial]
 
