tkvdb is an embedded database library for key-value data. It is similar to Berkeley DB, LevelDB or SQLite4 LSM.
License: ISC license.
A permissive license lets people do anything with your code with proper attribution and without warranty. The ISC license is functionally equivalent to the BSD 2-Clause and MIT licenses, removing some language that is no longer necessary.
Download: https://github.com/vmxdev/tkvdb
Version: Commits on Dec 9, 2020, Add cursor->key_datum()/val_datum()