Dang. I actually like how customizable Jira's workflows are. What else is good at customizable Scrum-like workflows with custom fields?
You get the customization to yet another level as you are not constraint by the fact that templates are shared across your organization. You can tweak and customize every single tracker (issue type) with it's own fields & values without impacting others and without depending on an admin for that. You can deep dive with https://blog.tuleap.org/tuleap-versus-jira-software/