This tool creates a site-only-AF.vcf for the Off-label workflow to simply call differences in two samples with Mutect2. For details of this workflow look at:https://software.broadinstitute.org/gatk/blog?id=11315
WDL-> Workflow starts from the vcf of the unfiltered Mutect2.output.
DockerImage -> https://hub.docker.com/r/eadg/premusa/
Hope this tool helps people to stop messing arround with excel-files ;)