vim-scroll от Bladt

Simple j/k/h/l/gg/G scrolling.
Nothing more, nothing less.

The plugin allows scroll navigation with the keyboard:
Press the j key to scroll down
Press the k key to scroll up
Press the h key to scroll left
Press the l key to scroll right
Press the g key twice to scroll to the top
Press the G (shift + g) key to scroll to the bottom