Greasy Fork is available in English.
Make browsing Tumblr archives easier.
Based on this post, I decided to make a UserScript to remove reblog content entirely when scrolling through archives: http://anon-ib.co/tblr/res/9496.html#q12075
To make it even more cross-platform friendly, I could have added a polyfill for MutationObserver or even DOMContentLoaded, and used getElementsByClassName instead of querySelectorAll, but I decided to make this one quick and dirty (including dirty-checking because I was too lazy to use MutationObservers properly).
UPDATE December 2016: I finally bothered to use MutationObservers properly, so no more dirty-checking.
SECOND UPDATE: Dirty-checking has returned with a vengeance.