Broad Firecloud: WDL, Cromwell and Google Genomics WDL: an external DSL used by computational biologists to express the analytical pipelines Cromwell: a scalable, robust engine for executing WDL against pluggable backends including local, Docker, Grid Engine or … Google Genomics Pipelines API: co-developed by Broad and Google Genomics, a scalable Docker-as-a-Service with data scheduling