GRR
GRR Rapid Response, remote live forensics for incident response
..., GRR client periodically polls GRR frontend servers for work. “Work” means running a specific action, downloading file, listing a directory, etc. GRR server infrastructure consists of several components (frontends, workers, UI servers, fleetspeak) and provides a web-based graphical user interface and an API endpoint that allows analysts to schedule actions on clients and view and process collected data.