UML

MagicDraw | No Magic is one of the most respected providers of standards-compliant modeling, simulation and analysis solutions in the industry.

Infinite ASCII diagrams, save to Google Drive, resize, freeform draw, and export straight to text/html.

Open Source

Astah is a software design tool which supports UML, ERD, DFD, Flowchart, Mindmap and more.

paid Free Trial $11.99 / Monthly

The new interface for work to ideate, plan, and execute

freemium $5.0 / Monthly (Unlimited canvases and items)

Enterprise Architect - UML Design Tools and UML CASE tools for software development | Sparx Systems

Enterprise Explorer provides professional business process modeling on Microsoft platforms.

QPR EnterpriseArchitect helps you analyze, plan, improve your business operations, and design your digital transformation.

Yuml.me is a legit modeling tool that comes with the strategic measure that let teams and individual create diagram more quickly via simply typing plain text.

Astah UML is a modeling software providing businesses with a sumptuous approach in order to have detailed process analysis and operation management.

paid Free Trial $6.99 / Monthly

Download Modelio a UML and BPMN modeling tool and evaluate our professional solutions.

Lekh Diagram empowers you to express your idea on iPad and iPhone simply by sketching shapes with...

Diagramiq is an online app for creating Flowcharts, UML Models, BPMN, Network Diagrams, Decision Trees and other unique diagrams. It offers real-time collaboration and a great collection of shape libraries with virtually unlimited styling options.

Create beautiful cloud diagrams in minutes