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. WebSequenceDiagrams is a web-based application that allows the user to use a proprietary language to define sequence diagram.

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

  4. A cloud-based diagram maker for companies, teams, and you.

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

  6. Online flowchart maker: Sankey Flow Show is a modern online web application running in your browser.

  7. Online diagramming application

  8. Team diagramming on advanced SVG editor

  9. Create professional charts and diagrams easily, quickly and collaboratively. Visual Paradigm Online is an all-in-one online diagram software that lets you create UML, BPMN, ERD, DFD, Org Charts, Mind Map, charts, infographic.

  10. The visual workspace for teams.

  11. Make charts & infographics that people love

  12. ProcessMaker is an easy to use BPM and workflow software solution. It is used to design, automate, and deploy business processes of any kind.