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Haven't tried Zeus, but that seems to be a link generator, not a link management tool. Arelis.com is the other major player. Heard some good things about that tool as well.
There are scripts you can purchase as well. I've researched linking101.com/script.htm before, but rejected it due to missing features. You might want to check it out though.
Zeus and Arelis both are tools for sending bulk emails to request for link but not link management tool.