[Catalyst] How I get workflow moduler's ui?

[疾驰者]

Dear friends:
   I have a software requirement using workflow in Catalyst app. In CPAN, I find workflow, I wonder what's the moduler's ui in web app? The node's relation, status, flow must be display in html.
   Is the workfow moduler for backend, not for foreground?
   What is the linux web tools for workflow ui?
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