You might try
Squeenix for your square map.
You can use
MinimapButtonFrame to hide your minimap buttons. It'll put them all into a nice little box which you can set a key bind to show/hide when you need to, well, show or hide them.
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Ahhhh, the vagueries of the aging mind. Wait.... What was I saying?
Carbonite <----- GitHub main module (Maps ONLY) download link. The other modules are also available on GitHub.
Carbonite-CLASSIC<----- GitHub link to Carbonite Classic. Thanks to ircdirk for this!