- World Phonotactics Database (WPD)
- World Atlas of Language Structures
- Typological Database System
- Surrey Morphology Group Typological Databases
- The Universals Archive
- Language Typology Database (Caen)
- Autotyp (Leipzig & Berkeley)
- Pavia Typological Database
- UPSID: UCLA Phonological Segment Inventory Database (by Ian Maddieson and Kristin Precoda)
- http://www.linguistics.ucla.edu/faciliti/sales/software.htm
- http://www.langmaker.com/upsidlanguages.htm
- http://web.phonetik.uni-frankfurt.de/upsid (=Henning Reetz’sUPSID interface)
- StressTyp (Leiden)
- XTone: Cross-Linguistic Tonal Database (Berkeley)
- Metathesis Database (Ohio State)
- Terraling (NYU and UCLA)
- Romani Morpho-Syntax (RMS) Database (Manchester)