Greasy Fork is available in English.
Adds shortcuts for last chapter and a floaty review box, and bookmark sorting by kudos and filtering by complete only. This script is maintained by Fangirlishness with permission from saxamaphone.
This script was originally shared on tumblr here:
https://ravenel.tumblr.com/post/156555172141
and is now maintained on greasyfork by Fangirlishness with permission from the original author, saxamaphone.