Dictionaries, Encyclopedias & Digital Libraries

• Bilingual English-Indonesian Online Dictionary
• Kamus.net English-Indonesian dictionary on the web.
• Sederet Online Indonesian-English dictionary.
• Cambridge Dictionaries Online English-Indonesian

Grammar

• Hello Indonesia
  Introductory overview of Indonesian
• Indonesian Grammar
  Interactive exercises offered by the University of Victoria

Vocabulary

• Linguanaut: Indonesian Vocabulary
• Goethe Tests for Bahasa Indonesia
• Memrise
  Learn 2000 words in Indonesian in fun, effective online activities

Reading & Writing

• Omniglot
  Introduction to the Indonesian writing system
• Ayo Membaca
  Interactive web-based series of Indonesian reading lessons developed at UW-Madison

Listening & Speaking

• Bahasa Indonesia
  Sound clips and learning tips
• Tarung & Irama Hari
  Short instructional videos about art and daily life in Indonesia (from UH-Manoa)
• Forvo Pronunciation Dictionary
  Crowdsourced database of words pronounced by native Indonesian speakers

Online Course Materials

• SEAsite - Indonesia Home
  Language learning exercises and materials
• Indonesian101
  Online video-based Indonesian course, focusing on introductory conversations and basic vocabulary.
• Live Lingua Project
  Bahasa training material through the Peace Corps 
• Babbel: Indonesian
  Set your own pace to this online course; includes mobile app for learning on the go 

News & Media

• VOA News - Voice of America Bahasa Indonesia
  Daily news programs on radio and TV in Indonesian
• Republika Online
• Radio Stations of Indonesia

Arts, Literature, Films & Music

• Myth and History: Writing from Indonesia
• Eve / Hawa
  Bilingual version of poem by Indonesian writer Avianti Armand; includes mp3 reading
• Indonesian Art
  Visual arts of Indonesia: art history, museums, institutions, galleries, exhibitions, publications, artists, critics, curators, and more