An open source, offline capable, mind mapping application leveraging HTML5 technologies
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mindmaps is a prototype of an HTML5 based mind mapping application. It lets you create neat looking mind maps in the browser.

HTML5 goodness

  • Written entirely in JavaScript
  • 100% offline capable thanks to ApplicationCache
  • Stores mind maps in LocalStorage
  • FileReader API reads stored mind maps from the hard drive
  • Canvas API draws the mind map

Try it out

The latest stable build is hosted [here] (


Although the application runs fine if you launch /src/index.html, be aware that this is just the DEBUG mode for development. In debug mode quite a lot of output is sent to the console, ApplicationCache is deactivated and all script files are served individually and uncompressed.

If you plan to host the application please build it properly by running the build script. In order to build the application yourself you need to have node.js and a couple of modules installed. To install them simply run npm install in the root directory.

Then run the jakefile with jake. The finished build will appear in /bin.

Host yourself

All you need is a web server for static files. Copy all files from /bin into your web directory and launch the app with index.html. Make sure your web server serves .appcache files with the mime type text/cache-manifest for the application to be accessible offline.

In Apache add the following line to your .htaccess:

AddType text/cache-manifest .appcache

In nginx add this to conf/mime.types:

text/cache-manifest appcache; 

Alternatively, you can launch a local debug server with npm start which starts a server on localhost:8080.


mindmaps is licensed under AGPL V3, see LICENSE for more information.