django-treebeard is a library that implements efficient tree implementations for the Django Web Framework 1.8 and later. Features: - Flexible: Includes 3 different tree implementations with the same API: * Adjacency List * Materialized Path * Nested Sets - Fast: Optimized non-naive tree operations - Easy: Uses Django Model Inheritance with abstract classes to define your own models. - Clean: Testable and well tested code base. Code/branch test coverage is above 96%. WWW: https://github.com/django-treebeard/django-treebeard