MindMeister!

Lucidchart is an online diagram and flowchart software that supports Microsoft Office Visio import and can work on any operating system. The easiest way to draw flowcharts, wireframes, UML diagrams, network diagrams, mind maps, iPhone mockups, site maps and more. Work together in real time with your team and clients! Along with the online version, Lucidchart also has a downloadable solution that runs on Mac, Windows and Linux; this enables offline editing at any time! »

FreeMind is a premier free mind-mapping software written in Java. The recent development has hopefully turned it into high productivity tool. We are proud that the operation and navigation of FreeMind is faster than that of MindManager because of one-click "fold / unfold" and "follow link" operations.

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, organization charts, mind maps, and many other kinds of diagrams, graphs, and networks. Choose from a wide range of highly sophisticated layout algorithms to automatically arrange diagrams in no time. An intuitive and visually appealing user interface makes creating diagrams fun. Once a diagram has been created, it’s easy to save, print, or export it to popular formats like PDF, SWF, EMF, SVG, JPEG, GIF, PNG, or HTML image maps. »

XMind is a brainstorming and mind mapping application. It provides a rich set of different visualization styles, and allows sharing of created mind maps via their website.The application is available as an Open Source version and as a paid commercial 'Pro' version. XMind Pro offers extended features like Gantt charts, a presentation mode, export features (PDF, Office, MindManager and Freemind), audio notes, a merge feature, privately online sharing, and more. The Open Source version is otherwise a very functional and powerful 'Mind Managing' software. »

Draw lets you produce anything from a quick sketch to a complex plan, and gives you the means to communicate with graphics and diagrams. With a maximum page size of 300cm by 300cm, Draw is a an excellent package for producing technical drawings, general posters, and much else.

Lucidchart is an online diagram and flowchart software that supports Microsoft Office Visio import and can work on any operating system. The easiest way to draw flowcharts, wireframes, UML diagrams, network diagrams, mind maps, iPhone mockups, site maps and more. Work together in real time with your team and clients! Along with the online version, Lucidchart also has a downloadable solution that runs on Mac, Windows and Linux; this enables offline editing at any time! »

Freeplane is a powerful and free software for building mind maps. It is a redesigned version of the well known FreeMind , and is created by one of FreeMind's key developers. The software is written in Java, and supports any platform capable of running current versions of Java.

Mindomo is the easiest online software for creating mind maps, concept maps, outlines and various other types of diagrams. The following features make it the perfect choice both for business and education:* real-time collaboration* you can work on maps even if your internet connection is down, and your changes will be automatically synchronized when the connection is restored* playback mode that shows you how a map was built* maps can be turned into presentations or real-time editable outlines* Google Apps and various LTI integrations (Canvas, Moodle, Blackboard, Desire2Learn, itslearning)* great variety of exports (PDF, RTF, PPT, TXT, OPML, MPX, HTML, ZIP, PNG, XLS, MOM, MM, MMAP)* Google Drive, Dropbox, FTP and ZIP backups »

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. Mostly based on Graphviz. Can render various diagram syntax such as PlantUML, Dot, and Ditaa.

TheBrain helps you organize all your Web pages, contacts, documents, emails and files in a context-driven visual map.

Docear is a unique solution to academic literature management, which helps you organizing, creating, and discovering academic literature. The 3 most distinct features are:

MindNode Pro and MindNode are elegant and simple-to-use mindmapping applications for the Macintosh that help to visually.

Google Drawings, part of Google Drive , allows users to collaborate creating, sharing, and editing images or drawings. It can be used for creating charts, diagrams, designs, flow-charts, etc. It contains a subset of the features in Google Drive - Slides but with different templates. Its features include laying out drawings precisely with alignment guides, snap to grid, auto distribution, and inserting drawings into other Google documents, spreadsheets, or presentations. »

Coggle is a simple, beautiful, powerful way of structuring information. It's designed to help you understand things, and then share your knowledge by arranging your document in the same way that your mind works. This way of working is called mind-mapping, and is a very powerful way of learning, storing and sharing information.

The Visual Understanding Environment or VUE is a free, open source concept mapping application written in Java.