What is the difference between Memcache and Memcached?

Memcache: It is an extension that allows you to work through handy object-oriented (OOP’s)
and procedural interfaces. It is designed to reduce database load in dynamic web applications.

Memcached: It is an extension that uses libmemcached library to provide API for
communicating with Memcached servers. It is used to increase the dynamic web applications by
alleviating database load. It is the latest API.