Add 4chan X to the archive:
http://files.sooaweso.me/archivechan.user.js
 
Thread statistics:
https://raw.github.com/gist/2166313/threadstatistics.user.js
 
Remove spoiled text:
http://userstyles.org/styles/59541/4chan-unspoil-remove-spoilers
 
Script to help with capping:
http://userscripts.org/scripts/show/147520
 
Boop is played every time a new horse is opened:
http://murkeli.kapsi.fi/userscripts/boop.user.js