HEATKEYS

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

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

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.io is a free online diagram drawing application for workflow, BPM, org charts, UML, ER, network diagrams

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.

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.

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

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Eclipse Marketplace offers the Eclipse community a convenient, information-rich portal that helps software developers find open source and commercial Eclipse plugins, tools, and products that enhance the entire software development life-cycle.