1. LucidChart is the missing link in online productivity suites. LucidChart allows users to create, collaborate on, and publish attractive flowcharts and other diagrams from a web browser.

  2. Simplify and communicate complex information using data-linked diagrams.

  3. Online diagramming application

  4. OmniGraffle is for creating precise graphics like website wireframes, an electrical system designs, or mapping out software class.

  5. PlantUML is an open-source tool that uses simple textual descriptions to draw UML diagrams.

  6. D

    Dia is a GTK+ based diagram creation program for GNU/Linux, MacOS X, Unix, and Windows, and is released under the GPL license.

  7. yEd is a free desktop application to quickly create, import, edit, and automatically arrange diagrams. It runs on Windows, Mac OS X, and Unix/Linux.

  8. Gliffy is a powerful HTML5 online diagram maker. Create a flow chart, network diagram, UML diagram, organizational chart or wireframe with ease.

  9. Professional digital design for Mac.

  10. Looking for an affordable software with Enterprise Architecture tool, PMBOK tool, UML tool, Agile tool, BPMN tool and UX tool? Read this page for details.

  11. Instead of starting with a blank screen, SmartDraw gives you the exact template you need.