Datasette : Datasette provides an instant, read-only JSON API for any SQLite database. It also provides tools for packaging the database up as a Docker container ...
Freebase : A community-curated database of well-known people, places, and things
Wit : Natural Language Interface for apps and devices. Build bots easily. You tell us what your user said, we tell you what your bot should do next. Your us...
Bluepine is a DSL for defining API Schema/Endpoint with the capabilities to generate Open API (v3) spec, validate API request and serialize object for API response based on single schema definition.