Corkulous™ idea board is the incredible new way to collect, organize, and share your ideas. Access your ideas anywhere on your iPad, iPhone, and iPod touch with built-in iCloud support.




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.
Corkulous™ idea board is the incredible new way to collect, organize, and share your ideas. Access your ideas anywhere on your iPad, iPhone, and iPod touch with built-in iCloud support.




Visual Thinking and Communication - create visual diagrams for TOC thinking processes, Mind Maps, IBIS, Benefit Realisation, Impact Mapping, Concept Maps, etc.




Shapes is a simple, elegant diagramming app for OS X. Shapes gives you all of the most important features you need in a diagramming tool without all the extra cruft, and without breaking the bank!.




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.




UML Designer provides a set of common diagrams to work with UML 2.5 models. The intent is to provide an easy way to make the transition from UML to domain specific modeling.


Grapholite is a powerful online solution for the creation of flowcharts, org charts, mind maps, Venn charts, web site structures, etc. Can be used online and offline





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.

Graphity is a diagram editor that can be used to quickly and effectively generate drawings and to apply automatic layouts to a range of different diagrams and networks.

ConceptDraw DIAGRAM v14 is the only product that supports Visio legacy, runs on macOS and Windows, and is a perpetual license. Import/Export VDX, VSDX, VSSX and Import VSD, VSS files.




Use simple text to quickly create and share diagrams with your team. Improve your documentation, planning and everyday communication with powerful tools for automatic diagram generation.

ClassBuilder is freeware CASE tool targeted at the C++ developer, running on Win2K-XP. It lets you create, manipulate and navigate classes, class relations, class members and class methods at a high level of abstraction through a graphical user interface.

