The Ultimate Intermediate Learner's Resource Thread

These resources should all be geared toward intermediate learners in Korean. Let me know via PM if there's anything else I should add and I'll edit accordingly. Additions and changes to this thread are based completely on reviews and suggestions from this subreddit's members.

Online Lessons:

Talk To Me In Korean Largest free site for beginner to intermediate level

Sogang Korean Program Sogang University's own online curriculum

Online Intermediate College Korean Berkeley's online Korean course

How to study Korean Intermediate lessons are higher quality than beginner levels

Video Lessons:

Seemile Video lessons taught by native Koreans

Quick Korean Video lessons from beginner to intermediate

GO! Billy Korean Weekly updated video lessons from beginner to intermediate

Motivate Korean Korean lessons and tips for studying

Books:

Integrated Korean Most common college-level textbook series for in-class usage

Korean Grammar for International Learners Large guide to grammar

Yonsei Korean Reading 3/4 Reading practice with explanations by Yonsei University

Handbook of Korean Vocabulary A vocabulary book that's organized by root words

Korean Reader for Chinese Characters Common college-level textbook for learning the basics of 한자

Grammar:

Korean Grammar Dictionary Unorganized, but large grammar database

Dictionary

Naver Dictionary Almost everything is found in here, including Hanja, example sentences and pronunciation

Daum Dictionary Less information than Naver's dictionary, but simpler to use

Study Tools:

Anki A program for making and reviewing flashcards

Memrise A site with pre-made flash cards for most levels

Lang-8 Write journals in Korean and have them corrected by native Koreans

HelloTalk (Android/iOS) Language exchange app for talking with native Koreans

Reading Practice:

TTMIK Iyagis TTMIK's "Iyagi" series with transcripts

어린이동아 Donga news for children