I made a dual tab file manager 10 years ago for mac (https://github.com/neoneye/newton-commander https://github.com/neoneye/newton-commander). It's written in O

I made a dual tab file manager 10 years ago for mac (https://github.com/neoneye/newton-commander https://github.com/neoneye/newton-commander). It's written in Objective C. Unlike other dual tab file managers, it use the spacebar for quicklook which I find more handy. In order to select files, use shift arrowup/arrowdown.