HEATKEYS

MathWorks is the world’s leading developer of technical computing software for engineers and scientists in industry, government, and education

Software development tools support UML, SysML, BPMN, Business Rule, ERD and mind mapping. All Visual Paradigm tool can run on Windows, Linux and Mac OSX.

PlantUML is an open-source tool written in Java that uses simple textual descriptions to draw UML diagrams. Can be integrated with Word.

SourceForge.net. Fast, secure and free downloads from the largest Open Source applications and software directory

Eclipse plugin development tools for Java, JSP, XML, Struts, HTML, CSS and EJB

Online diagram and flowchart software. Create diagrams and drawings such as flowcharts, mind maps, network diagrams, UML diagrams, wireframes, user interface designs and other drawings online with LucidChart.

Altova XMLSpy XML editor, plus other leading XML, data management, UML, and Web services software tools for application, web site, and database development, data conversion, and more.

JetBrains, creator of the best Java IDE - IntelliJ IDEA - is a technology-leading software development firm specializing in the creation of intelligent development tools.