1. A computer-implemented method comprising: causing a data import framework of a central monitoring system, to receive through a computer network, heterogeneous status indicators reflecting statuses of remote software applications of a plurality of customer tenants; causing the data import framework to transform the heterogeneous status indicators by condensing them into a status model comprising a plurality of generalized status values; loading the status model into a data repository in the central monitoring system; and displaying status of the remote software applications based upon the status model, wherein the heterogeneous status indicators have been extracted from the remote software applications and transformed into an application-specific model, by respective data extractors of the plurality of customer tenants.