Zlibrary - It has one of the largest ebook library which can be accessed for free with over 13.5 millions books and over 85 million articles. Most of the books and articles you'll ever need can be found here. You're limited to download 10 books/articles per day. You can access them via singlelogin.se or singlelogin.rs or singlelogin.re or z-library.se or zlibrary-global.se (and their redirects).


Annas-Archive- An alternative to Zlibrary. Lots of materials ranging from books, papers, comics, magazines, audiobooks and more can be found here. https://annas-archive.org/

https://Tutflix.org/- For downloading paid courses ranging from udemy, pluralsight and many more

https://downloadly.ir/ - An alternative to tutflix, you might need a chrome browser to translate the page to English


They're many more, but i believe this will help some people looking for materials but have limited funds to pay for them.