Zarafa, the leading European provider of open source groupware and collaboration software, has shown the platform agility of WebApp, at its yearly User Conference (Zarafa SummerCamp). Thanks to the plug-in framework, which is new in WebApp 1.1 [http://www.zarafa.com/content/webapp], the Zarafa Development Team has succeeded in creating 4 plug-ins and several features during a '48 Hour Feature Development Race’. ...