Your essential utility apps, share em.
Utility apps you immediately install upon doing a fresh reinstall, and your sanity depends on them. A plethora of common ones for most are on ninite, (That site is amazing by the way for reinstall...
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Usually the first thing I do on any Linux box I get my hands on is to install Midnight Commander. Enlightenment as well if it's a Linux desktop. Most of the rest of my essential development utilities are likely already installed on a typical Linux system.