After Arvados (http://arvados.org http://arvados.org) Toil has the most complete support for the common workflow language http://commonwl.org http://commonwl.or

After Arvados (http://arvados.org http://arvados.org) Toil has the most complete support for the common workflow language http://commonwl.org http://commonwl.org) which is an emerging standard for writing portable workflows that can run on different platforms, instead of being tied to a particular engine or grid/cluster/cloud technology.