Greasy Fork is available in English.
Groups translators by language (only sorts by default)
What this script actually does:
 
* Automatically sorts 'translators' tab in the 'people' section by language in ascending order (a-z)
* Groups translators, allow you to select translators for a specified language
 
Installation Instructions:
 
1a. Firefox users: Download Greasemonkey
1b. Chrome users: Download Tampermonkey
 
2. Click the green install button on the left-hand side of the screen.
 
Follow the on-screen prompt, and click 'Install' / 'Ok' on the pop-up window then you're good to go.
 
Known Issues:
  
* None (if you see any, let me know!)
 
P.S If you use a mirror rather than the normal kat.cr site, you'll need to edit the script; change the 'match' statements to the domain you're using (you can add multiple if you like).