VocabTracker is inspired by LingQ, Readlang and LWT: it helps you track your vocabulary on any web page.
is this opensourced? great extension btw
Doesn't work anymore :(
Нельзя импортировать книги
wordologyaddon
W9G
aided reading
http://www.dictozo.com/
dobladov
saurav.1869
Alan Buzek
https://readlang.com
Chanbin Park
https://highvocab.com/
Cee68