- ASL Linguistic Research Project at Boston University
- Center for Applied Linguistics (CAL) Resources Archive
- ASL Browser at Michigan State University
Phonetics
- The Speech Accent Archive at George Mason University
- Peter Ladefoged Vowels and Consonants
General
- The World Atlas of Language Structures (WALS) Online
- Supporting English Acquisitions (SEA) at NTID/RIT
American Sign Language