Dictionaries, Encyclopedias & Digital Libraries

• University of Kentucky Yiddish Dictionary
• Lexilogos Yiddish Dictionary 
• Yiddish Alphabet
• Overview of the Yiddish Language

Grammar

• Yiddish Grammar Overview
• Yiddish Grammar Textbook in PDF

Vocabulary

• Basic Yiddish Vocabulary

Reading & Writing

• Yiddish Book Center
• Yiddish Sayings
• Yiddish Studies Resources

Listening & Speaking

• Pronunciation Dictionary
• Audio Stories

Online Course Materials

• Resources on How to Learn Yiddish 
• Memrise Lesson Collections
• Learn and Speak Yiddish
• Learn Yiddish - Quick Online Learning
  Includes Yiddish vocabulary, grammar, phrases, quizzes, and flashcards 

 News & Media

• Yiddish Radio Project
• The Yiddish Voice
  Yiddish Radio of Boston
• Yiddish Sources
  A variety of resources on Yiddish and Yiddish Studies
• Yiddish Stories
• Yiddish Language and Culture with Media Links
• The Yiddish Daily Forward
  Online Newspaper

Social Media

• Forum in Yiddish
• Blog in Yiddish
• Reddit on Yiddish