werkzeug German noun: “tool”. Etymology: werk (“work”), zeug (“stuff”)

Werkzeug is a comprehensive WSGI web application library. It began as a simple collection of various utilities for WSGI applications and has become one of the most advanced WSGI utility libraries.

Werkzeug is Unicode aware and doesn’t enforce any dependencies. It is up to the developer to choose a template engine, database adapter, and even how to handle requests.