iStuff is a implementation of iGoogle-like enviroment in OSGi world with using bundles as separate modules in UI. Its using Scala as its primary langauge and scalamodules DSL as wrapper for easy OSGi handling. OSGi while using Apache Ace enables to deploy new gadgets while application is running with zero downtime. Modules can run with diffrent verisons on separate machines (either virtual or phisical) and its up to user which modules he wants to view on his page and in which of the availbale versions.