HEATKEYS

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

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

GenMyModel is an UML online modeler for your class models and diagrams. Create in seconds, export your models and generate code. Try the beta.

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

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.

Modeling languages and UML portal, covering information and services about UML, Model-driven development, OCL,...

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

Don

Powerful online solution for the creation of flowcharts, org charts, floor plans, uml diagrams, bpmn diagrams, mind maps, venn charts, web site structures, etc.

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.

ckwnc is a uml sequence diagram creation tool that uses an intuitive c-style language to automatically create uml diagrams that can be saved as an image or embedded directly into other pages