Dictionaries, Encyclopedias & Digital Libraries

• Online English-Thai Dictionary
• Thai 2 English
  English-Thai dictionary with transliteration and help with spacing
• Thai-language.com
  Thai-English dictionary with transcription and bulk look-up feature
• Oliver
  Thai-English dictionary
• Bab.la
  Thai-English dictionary
• Longdo
  Thai-English dictionary with pronunciation
• Thai Notes
  Thai-English dictionary with transliteration and pronunciation
• Lingo Ninja

Vocabulary

• Thai-Language.com
  Thai lessons online
• Loecsen
  Basic vocabulary lessons with sound
• Goethe Verlag
  100 vocabulary lessons grouped by theme
• L-lingo
  Vocabulary lessons grouped by theme

Reading & Writing

• Thai Reader Project at UW-Madison
  Language reading lessons based on authentic Thai texts
• Thai alphabet
  Podcast developed at Emory University
• Thai Keyboard

Grammar

• Thai Grammar
  Textbook by the Foreign Service Institute

Listening & Speaking

• Thai Lesssons on YouTube
  Online video-based Thai course consisting of 25 lessons focusing on the Thai alphabet, basic vocabulary, and introductory conversations.
• Thai Pop Song
  Thai pop song on YouTube with subtitles in Thai
• Thai Pop Song
  Another Thai pop song on YouTube with subtitles in Thai

Online Course Materials

• Learn Thai with ExpatDen

• Peace Corps Thai
  Links to downloadable course materials
• Foreign Service Institute Basic Thai
  Links to text and audio files
• LingoPolo Lessons
  Basic Lessons
• Lingo Ninja 

News & Media

• List of Thai Newspapers
• VOA
  News in Thai
• Matichon Online
  Thai newspaper

Arts, Films & Music

• ThaiCinema.org