appRain is one of the first officially released Opensource Content Management Framework (CMF). CMF is a new web engineering concept where "CMS (Content Management System)" and "Framework" perform together to produce endless varieties of output in a very limited time. appRain, published with lots of extensive features to reduce our development work time. It satisfies both Client and Developers with a safe and quality output. Finally appRain is a single platfrom with both facilities of CMS and Framework. CMS makes the work faster with less effort and Framework contribute to implement complex demand.