There's also
LineemUp which you can use for single, movable, horizontal and vertical lines. By single, I just mean that you create each line individually, but you can have as many on the screen as you want to put there. Please check the link on the page I linked for instructions on its' use.
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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!