Hi guys! First time posting. Love this site!!!
If you know other free sites just like this, please tell me!!
So far, I'm using this one and Episoden(It's a free site where you can practice English speaking. Cool site)
Also Reddit and multiple Facebook groups.
Let's share English sites we know and study English together 
Comments
http://www.alt-usage-english.org/index_shtml.html
Yes, there are several free websites available for studying English. Here are some of the most popular ones:
Duolingo - Duolingo is a free language learning website and app that offers courses in many languages, including English. It uses a game-like interface to make learning fun and engaging.
Khan Academy - Khan Academy is a popular online learning platform that offers free courses in a variety of subjects, including English grammar and writing.
BBC Learning English - The BBC Learning English website offers a range of free English language lessons and resources, including grammar, vocabulary, and pronunciation guides.
English Central - English Central is a free website that offers videos with interactive subtitles and pronunciation feedback to help you improve your listening and speaking skills.
ESL Gold - ESL Gold offers a variety of free English language resources, including lessons, quizzes, and exercises for all levels of learners.
ESL Cafe - ESL Cafe is a popular website for English language learners that offers a variety of resources, including forums, lessons, and language exchange opportunities.
Memrise - Memrise is a free language learning website and app that uses gamification to help you learn new vocabulary and improve your language skills.
These are just a few examples of the many free websites available for studying English. It's always a good idea to explore different resources to find the ones that work best for you.