I've read that Ubuntu will support web applications out of the box, how can I set this up on my computer to play with it?
Ubuntu – How to use Ubuntu’s web application integration
webapps
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Update
Easy way for 12.10 onwards:
Go to the Software Center and search for the specific web app and uninstall it. E.g.
unity-webapps-gmail or unity-webapps-googledocs
Hard way, for 12.04 and older Ubuntu versions
Press Alt + F2 , run dconf-editor.
Now go to com → canonical → unity → webapps.
Edit Allowed domain value and remove the undesired entry.
To prevent any more popups for a site, add the site URL to:
Firefox :Edit>preferences>General> Desktop integration > exception
or
Chrome : Settings > Extension > Desktop integration > Exception
Actually, the "userscripts" for webapps is really just to support sites that haven't yet integrated directly from their site.
Website developers should ideally build the support into the site with javascript instead of using userscripts (like you have done). This would enable the integration without even installing a package and eases maintenance as well as making it easier for users to just use the integration without having to install anything.
Best Answer
Installation
The webapps integration is included in Ubuntu 12.10 and newer. When you visit sites in Firefox or Chromium that have the integration enabled you will be prompted to add the site as an application, here's a list of sites that have support:
For fully integrated sites like google docs, you should see things like Dash integration:
After the site has been added you can launch it from the dash, or add it to your launcher, just like other applications.
The project homepage (where you can file bug reports) is here: https://launchpad.net/webapps
Developer Information
To Uninstall
More info: https://launchpad.net/~webapps/+archive/preview
Related Topics and References: