The Linguistic Data Consortium supports language-related education, research and technology development by creating and sharing linguistic resources: data, tools and standards.
"PHOIBLE is a repository of cross-linguistic phonological inventory data, which have been extracted from source documents and tertiary databases and compiled into a single searchable convenience sample. Release 2.0 from 2019 includes 3020 inventories that contain 3183 segment types found in 2186 distinct languages." [from website]
"Shows the values for all WALS features by combining the geolocation of the respective languages with their genealogy in a sunburst visualization" (Stasko and Zhang 2000).
Contains information on the world's over 7000 known living languages. Includes alternate names, dialects, number of speakers, multilingualism, demographic and sociolinguistic information when known. Includes country index with maps, language names index, language codes and language families index.
Haverford and Swarthmore have access to all Ethnologue content via a subscription; Bryn Mawr has limited free page views to full content.