Dictionaries, Encyclopedias & Digital Libraries

• Star21
  Bilingual online dictionary
• Wikipedia: Hausa

Grammar

• Peace Corps Introduction to Hausa
  Manual to learn grammar and vocabulary
• Grammar of the Hausa Language
  Google ebook

Vocabulary

• Teach Yourself Hausa
  Basic vocabulary and phrases
• Online Nigeria
  Basic introductory phrases
• Wikitravel: Hausa
  Survival phrases in Hausa
• MyLanguages: Learn Hausa
  Detailed vocabulary and phrases
• Quizlet.com
  Flashcards for basic vocabulary drills

Reading & Writing

• Omniglot
  Introduction to the Arabic and Roman writing systems for Hausa

Online Course Materials

• Hausa Online
  Blog with various Hausa resources
• Peace Corps Hausa Course

News & Media in Nigeria

• BBC Hausa 
  World news in Hausa
• Online Newspapers
  Online directory of Nigerian newspapers

Arts, Films & Music

• HausaFilms
  Site Promoting Hausa Movies and Culture