Vocabulary manager
Don't waste your time! it does not work. Even its website, you need register an account to use it. So, you can't use it.
abandoned extension
cannot create account they probably out of business
Ben Papacek
Monwara
Fiszkoteka.pl
Cee68
Cena Ashoori
aided reading
https://readlang.com
miz
https://igliu.com
https://vocapouch.com
B Jones
http://www.memslate.com/
