Ask HN: Light Weight Server management panel?

Hey HN,

Im setting up a VPS for a designer friend of mine. He is lightly comfortable with the terminal, but asked about a control panel to manage tasks like email, dns, etc.

What are my options? Ideally I want something that is MIT licensed, light on ram & cpu, and easy to customize.

I found http://ajenti.org/# as well as zpanel, ISPconfig, and webmin.

What are the other options out there? Any good open source projects I should look at?