Apps similar to Microsoft Visio include draw.io, which is free and open source. Other options are Excalidraw, LibreOffice - Draw, Dia and yEd Graph Editor. There's no shortage of Diagram Editors like Microsoft Visio, with more than 100 alternatives for the web, Windows, Mac, Linux and iPad.
Thortspace builds a 3D space-map of your thoughts. The 3-D linkages generated by Thortspace spheres facilitated both new insights and new lines of data management, and – almost magically. Thortspace is an invaluable aid to brainstorming prediction.
United Kingdom
UMLGraph allows the declarative specification and drawing of UML class and sequence diagrams. The current features are part of an ongoing effort aiming to provide support for all types UML diagrams.
Greece
EU
my.origramy is an online service that lets you create any complex graphs, presentations, schemes - anything you want - for free.
Smaply is the leading platform for journey management, empowering teams to design, manage, and scale customer journeys across organizations.
AustriaEU
Diagrams is a powerful, flexible, declarative domain-specific language for creating vector graphics, using the Haskell programming language.
United States
WarehouseBlueprint is a Sketchup plugin extension which allows user to model warehouse layout in 3D quickly at an affordable price.
Generate diagram-rich reports and documents, instantly. Generate software architecture diagrams, network diagrams, UML diagrams, cloud diagrams and many more!
Persona SPARK is a target-audience design tool with psychological insights. Use it to define your marketing segments, build personas, and get behavioral insights.
Visually lay out information such as a curriculum and analyze it using tags. You can use xMap to plan a conference, software development sprint, or new hire training. Has free (fully functional but limits on # objects/file size) and paid plans.
United States
Comapping is the best online collaborative mind mapping tool for business process planning and group projects management.
