Tool
VietSyllables is an interactive pronunciation chart that lists all valid Vietnamese syllables with audio. It lets learners practice vowels and tones directly by clicking syllables, making it especially useful for tone drills and understanding Vietnamese pronunciation patterns. vietsyllables.com
Comprehensive beginner textbook originally developed at Harvard University, teaching grammar, pronunciation, and communication through structured lessons with cultural notes, idioms, and 8 hours of native-speaker audio.