UMLet is an open-source UML tool with a simple user interface: draw UML diagrams fast, export diagrams to eps, pdf, jpg, svg, and clipboard, share diagrams using Eclipse, and create new, custom UML elements.




PlantText is described as 'The PlantText tool is an online tool for quickly creating UML (Unified Modeling Language) diagrams. Unlike most tools, PlantText can build diagrams without the use of a mouse because it is based on PlantUML markup language' and is a UML Modeling tool in the development category. There are more than 50 alternatives to PlantText for a variety of platforms, including Windows, Web-based, Mac, Linux and Android apps. The best PlantText alternative is draw.io, which is free. Other great apps like PlantText are LibreOffice - Draw, yEd Graph Editor, Dia and Lucidchart.
UMLet is an open-source UML tool with a simple user interface: draw UML diagrams fast, export diagrams to eps, pdf, jpg, svg, and clipboard, share diagrams using Eclipse, and create new, custom UML elements.




Cacoo is a user-friendly online diagramming tool that allows you to create a variety of diagrams such as wireframes, flowcharts, UML diagrams, network diagrams, mindmaps, sitemaps, database diagrams, and more.




Graphs is a simple, yet powerful tool that allows you to plot and manipulate your data with ease. You can import data from two-column files or generate it via an equation. All data can be manipulated using a variety of operations such as the ability to select, cut, translate...




Astah UML is a UML modeling editor with a user-friendly interface. It allows for the creation of various UML 2.x diagrams and mindmaps. The software includes features such as auto-creation of class diagrams, customizable shortcut keys, and merging project files.




MyDraw is an easy to use, yet powerful diagramming software that lets you create a large number of diagrams like flowcharts, organizational charts, mind maps, network diagrams, floor plans, family trees, business model diagrams, and many more.







Diagramo is an online flowchart software

"If they could see what Im thinking, they'd get it!" People just understand faster with pictures. It helps them see how information is connected, whether it is complete, and how a shift in one element impacts something else.



Simple vector graphics editor for creating flowcharts, UML class diagrams, illustrations and slide shows.

PathVisio is a free open-source pathway analysis and drawing software that allows drawing, editing and analysing biological pathways.



Apple Vision like gesture controls meet ChatGPT in an app to explore knowledge that doesn't require a headset or downloads. You just need a modern device with a webcam.




A Powerful idea processor.It's Open Source and Freeware. Create UML Diagrams, Network Diagrams, Flowcharts and many other types of diagrams with the versatile Dynamic Draw Software.



