PowerDraw!

yEd is a powerful diagram editor that can be used to quickly create diagrams manually or import external data for analysis and auto-magically arrange even large data sets by just pressing a button. You can use yEd to quickly create flow charts, BPMN and UML diagrams, organization charts, mind maps, and many other kinds of diagrams, graphs, and networks. Choose from a wide range of highly sophisticated layout algorithms to automatically arrange diagrams in no time. An intuitive and visually appealing user interface makes creating diagrams fun. Once a diagram has been created, it’s easy to save, print, or export it to popular formats like PDF, SWF, EMF, SVG, JPEG, GIF, PNG, or HTML image maps. »

Draw lets you produce anything from a quick sketch to a complex plan, and gives you the means to communicate with graphics and diagrams. With a maximum page size of 300cm by 300cm, Draw is a an excellent package for producing technical drawings, general posters, and much else.

PlantUML is an open-source tool that uses simple textual descriptions to draw UML diagrams. The generator can be run anywhere within JVM and integrated with various application such as wiki, text editor, IDE, programming language, documentation generator, and others. Mostly based on Graphviz. Can render various diagram syntax such as PlantUML, Dot, and Ditaa.

Google Drawings, part of Google Drive , allows users to collaborate creating, sharing, and editing images or drawings. It can be used for creating charts, diagrams, designs, flow-charts, etc. It contains a subset of the features in Google Drive - Slides but with different templates. Its features include laying out drawings precisely with alignment guides, snap to grid, auto distribution, and inserting drawings into other Google documents, spreadsheets, or presentations. »

Draw, part of the Apache OpenOffice suite, is a graphics editor that gives you the tools to communicate with visuals and diagrams. With a maximum page size of 300cm by 300cm, Draw is powerful tool for posters, graphs, charts, and more.

Instead of starting with a blank screen, SmartDraw gives you the exact template you need. Then use simple commands to add your information and SmartDraw does the rest. There's no other drawing software like it.

Shapes is an elegant Diagramming app for Mac OS X, that is both simple and powerful. Shapes gives you all of the most important features you need in a Diagramming tool without all the extra cruft, at an affordable price.

MagicDraw is an award-winning business process, architecture, software and system modeling tool with teamwork support. MagicDraw UML can do comprehensive UML diagramming, reverse and forward engineering for Java and C++.

IYOPRO, Improve your Processes, is a professional online BPM and workflow system that utilizes the BPMN 2.0 standard. Run it in less than one minute - without installation - always in the latest version. IYOPRO offers modelling, simulation and workflow automation in three editions. There are various operating modes available: SaaS within the browser, installed out of the browser and on premise.

Diagrammix is a tool for efficiently building attractive diagrams.

~ Simple way to view, annotate and share Microsoft Office Visio diagrams ~ VisiTouch helps mobile workers to view and annotate on MS Visio diagrams on their iPhones and iPads. Use it to open .vsd, .vdx and .vsdx files, convert them to PDF, make notes, remarks and highlights. Share original and resulting PDF files via cloud storages, by email and output them to print. VisiTouch is essential for business managers, field workers, contractors and anyone who has to view and share their feedback on information presented in Visio diagrams. VisiTouch supports .vsd, .vdx and .vsdx created in 2000 through 2013 editions of MS Visio* • Supported FormatsView and convert binary .VSD filesSupport for Visio XML files - .VDX, .VSDX • Viewing Visio FilesSupports for multi-paged documents • Advanced ConversionEasily convert MS Visio files to Adobe PDF with variety of settings • File ManagementStore MS Visio diagrams, charts and graphs on your iDeviceOrganize MS Visio files and resulting PDFs into custom folders • AnnotationAdd remarks with text notesHighlight important or disputable partsAdd free hand drawings, stamps and imagesMake notes with variety of shapes including arrows, ovals and rectangles • File SharingShare documents with colleagues, as original PDFs or their flattened copies.Upload to popular cloud services - Dropbox and Google Drive™Send by emailOutput to print via AirPrint »

Delineato - the italian word for "outline". Designed using the WYSIWYN paradigm - What You See Is What You Need - this carefully crafted application is targeted at creating simple diagrams, mind maps, brainstorming, to-do lists, architectural diagrams.A clutter-free interface allows you to concentrate and focus on the essence of your work.

WireframePro lets you draw and collaborate on user-interface mockups for websites and apps in less time.

Generate diagrams from text faster than ever and facilitate stakeholders involvement via animation and online collaboration.