APPS

• Hanggul & Beginner / Eggbun

LESSONS

• TTMIK / http://talktomeinkorean.com

PRACTICE

• Lang-8 / http://lang-8.com/ 「native speakers will correct your posts」
• HiNative / !!APP!!「q&a type for native speakers」
• NAVER / http://endic.naver.com/?sLn=en 「dictionary」