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.




ClickCharts is described as 'Create flowcharts, UML, Venn, and mind map diagrams with customizable templates, a drag-and-drop editor, and export options for sharing visual data easily' and is a Diagram Editor in the office & productivity category. There are more than 100 alternatives to ClickCharts for a variety of platforms, including Windows, Mac, Web-based, Linux and iPad apps. The best ClickCharts alternative is draw.io, which is free. Other great apps like ClickCharts are LibreOffice - Draw, Excalidraw, Pencil Project and yEd Graph Editor.
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.




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.




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...




Web-based diagram platform offers real-time teamwork, 50+ diagram and mind mapping types, technical wireframing, smart objects, templates, version control, secure cloud storage, PDF export, collaboration tools, commenting, and integration for business and education use.




Transform your creative process with a professional interface designed specifically for AI-powered content creation. No more chatbot windows or command prompts – just intuitive controls that put the best AI model’s power at your fingertips.




Rational Software Architect is an object-oriented Unified Modeling Language (UML) software design tool intended for visual modeling and component construction of enterprise-level software applications.





Diagramo is an online flowchart software

SpiderScribe.net is an easier and more flexible way to create mind maps and brainstorm online. It allows to connect notes, images, files, etc. into free form maps.

"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.
