Learn english (and other) words. Sync your progress across your devices. Extension displays words frame at the bottom of the page.
Need add vietnamese
It really helps me to learn a lot of new words and phrases.
no tiene soporte para espanol, no notificaciones, no me gusto.
https://vocabtracker.com
http://www.dictozo.com/
http://www.wordgram.co/
saurav.1869
aided reading
https://dirtmaxim.github.io/EachWord-Page/
https://lingvomind.com/
Cee68
rememberry
Monwara
B Jones
https://lin-duo.com/