yUML

yUML is an online tool for creating and publishing simple UML diagrams. It's designed to for those that like to create small UML diagrams and sketches. yUML doesn't make you do any of this: loading up a UML tool, creating a diagram, giving it a name, fiddling with layout, exporting it to bitmap, and then uploading it online somewhere. yUML is designed for light, back-of-napkin style UML usage.

It's makes it really easy for users to: Embed UML diagrams in blogs, emails and wikis; Post UML diagrams in forums and blog comments; Use directly within users’ web based bug tracking tool and Copy and paste UML diagrams into MS Word documents and Powerpoint presentations. Class and use case diagrams are supported. Activity and State diagrams are not supported.

Pro – Account offers: Fast, modern UI;Improved text language to define users’ diagrams; Improved activity diagram support; Private accounts so users can see and manage their diagrams; Command line version; Faster diagram generation; iPad version.Enterprise users have following benefits: Host yUML on their own servers; Keep diagrams 100% private and secure; Source code included; Generate unlimited diagrams; Customise yUML to suite your needs; Support packages available.

Also, they get: Instant download after purchase; Full source code yUML; yUML runs in "business mode", which means it doesn't show any adverts or cruft; Bug Fixes and enhancements to yUML for one year; Email support for installation; Optional enterprise support with priority telephone and email support.

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