A "hierarchical spreadsheet" that is a great replacement for spreadsheets, mind mappers, outliners, PIMs, text editors and small databases.




The best Diagram Editor alternative to Mindmaps is TreeSheets, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 50 alternatives to Mindmaps and 11 are Diagram Editors so hopefully you can find a suitable replacement. Other interesting Diagram Editor alternatives to Mindmaps are yEd Graph Editor, Xmind, Lucidchart and PlantUML.
A "hierarchical spreadsheet" that is a great replacement for spreadsheets, mind mappers, outliners, PIMs, text editors and small databases.




yEd is a powerful diagram editor that can be used to quickly create diagrams manually or import external data for analysis and auto-magically arrange even large data sets by just pressing a button. You can use yEd to quickly create flow charts, BPMN and UML diagrams...




Cross-platform mind mapping and brainstorming tool offering multi-language support, real-time collaboration, visual templates, markdown and audio notes, cloud sync, device compatibility, file export, and regular feature updates for diverse productivity needs.




Lucidchart is a cloud-based platform that promotes teamwork through diagramming, collaboration, and data visualization. It serves millions worldwide, offering flowcharts, UML, real-time collaboration, Visio support, and browser access. Designed for innovation and understanding, it integrates easily into workflows.




PlantUML is an open-source tool that uses simple textual descriptions to draw UML diagrams. The generator can be run anywhere within JVM and integrated with various application such as wiki, text editor, IDE, programming language, documentation generator, and others.



Heimer is a desktop application for creating mind maps and other suitable diagrams. It's written in Qt and targeted for Linux and Windows.

Design flowcharts, UML, Venn, and mind map diagrams with customizable templates, varied symbols, shapes, connector styles, overlapping sheet support, and intuitive drag-and-drop editing. Export visuals as images, edit multiple diagrams, and organize complex data visibly.




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.








Mindmapping, brainstorming and progress tracking tool for creatives and software developers. Simple and effective to use, letting just go the flow of creativity.




VSD Viewer opens Visio drawings directly on a computer without conversion on external Web Servers. Viewing Visio documents is as simple as dragging and dropping off files (with a .vsd, .vsdx, .vdx extension) to the Application window.




automatic layout relationship