Oracle Database Programming Interface for Drivers and Applications
Redis is an in-memory database that persists on disk. The data model is key-value, but many different kind of values are supported: Strings, Lists, Sets, Sorted Sets, Hashes, Streams, HyperLogLogs, Bitmaps.
C Database abstraction library with json based language
WCDB is a cross-platform database framework developed by WeChat.
(Keep It) Simple Stupid Database
OCILIB (C and C++ Drivers for Oracle) - Open source C and C++ library for accessing Oracle databases
MonetDBLite as a Python Package
Bun is a simple to use C++ Object Database, Object Relational Mapper (ORM) and key-value library
SQLiteC++ (SQLiteCpp) is a smart and easy to use C++ SQLite3 wrapper.