HEATKEYS

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.

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.

Draw, share and collaborate on online diagrams. Easy web flow chart, network diagram, mockup, wireframe, UML diagrams like Class, Sequence, & data flow and process flow diagrams. Creately - free web-based software for online diagram software

Online diagram software. Create and share flowcharts, network diagrams, floorplans, user interface designs and other drawings online with the Gliffy diagram editor.

Violet is a free UML editor with these benefits : very easy to learn and use, draws nice-looking diagrams, cross-platform. Violet is intended for developers, students, teachers, and authors who need to produce simple UML diagrams quickly

Edraw is a powerful yet easy-to-use program for creating flowcharts, organizational charts, network diagrams, business presentations, building plans, mind mapping and lots more.

Creator of the World

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.

CollabNet, Facilitating Collaborative Software Development

StarUML, free download. StarUML 5.02: The Open Source UML/MDA Platform. Modelling software usually comes in gradients - from the insanely complicated to the insanely easy like