As salam Aleykom wa rahmatullahi wa barakatuh,

I recommend everyone who wants to learn the arabic language(Fusha) for free to visit the following websites.

1. www.lqtoronto.com -->  Based on the World Renowned Madina Books written by Dr V. Abdur Rahim

 You can find the whole video, audio and pdf  serial on the website

2.This Shaykh is going through the book ' Al Arabiyatu Baynah Yadayk'

 (Book1 Video) https://www.youtube.com/playlist?list=PL88CDD3C1F59C647D

 (Book1 pdf) https://archive.org/download/arabicbyh-pdf/arabia1.pdf

 (Book1 Audio) http://www.archive.org/details/arabicbyh-mp3-1

 (Book2 Video) https://www.youtube.com/playlist?list=PL05F6EF0E813B7971

 (Book2 pdf) https://archive.org/download/arabicbyh-pdf/arabia2.pdf

 (Book2 Audio) http://www.archive.org/details/arabicbyh-mp3-2

 (Book 3 video) https://www.youtube.com/playlist?list=PLYRXQljU5MiJCZEAsmiJII8iH8aoQYXpP

 (Book 3 pdf) https://archive.org/download/arabicbyh-pdf/arabia3.pdf

 (Book3 Audio) http://www.archive.org/details/arabicbyh-mp3-3

If you have any other recommendations, please feel free to mention them below?