Answer:
Though not a plant, has leaves. Though not a beast, has spine. Though many wouldn't need this thing, It's more valuable than wine.
What English word retains the same pronunciation, even after you take away four of its five letters?
It is more feared than fear itself, And no one can escape it. It takes no sides and does not judge, it does not know to hold a grudge. It is the most clearest result, Of how life beats you by default.
I drift forever with the current down these long canals theyโve made, Tame, yet wild, I run elusive Multitasking to your aid. Before I came, the world was darker, colder, sometimes, rougher, true. But though I might make living easy, Iโm good at killing people too.
A box without hinges, lock or key, yet golden treasure lies within.
If itโs information you seek, come and see me. If itโs pairs of letters you need, I have consecutively three. What am I?