animated-page-scroll

Atom package

Smooth scrolling Page Up and Page Down.

This package replaces the default keybindings of pageup and pagedown in text editors.

'atom-workspace atom-text-editor':
  'pageup': 'animated-page-scroll:page-up'
  'pagedown': 'animated-page-scroll:page-down'

You can change the scroll duration and number of rows to scroll in the package settings.

page-up/page-down