korean

• talktomeinkorean
• learning krn w/ humans of seoul
• dramafever list lol
• learnkorean
• basic korean grammar-andrew byon

arabic

• standard arabic: elementary-intermediate
• standard arabic: advanced
• resources

vietnamese

• books
• spoken viet

japanese

• genkii 1&2
• tofugu resources

mandarin

• mit free-course
• tuttle book