django-reversion is an extension to the Django web framework that provides
comprehensive version control facilities.

Features
* Roll back to any point in a model's history - an unlimited undo facility!
* Recover deleted models - never lose data again!
* Admin integration for maximum usability.
* Group related changes into revisions that can be rolled back in a single
  transaction.
* Automatically save a new version whenever your model changes using Django's
  flexible signalling framework.
* Automate your revision management with easy-to-use middleware.

django-reversion can be easily added to your existing Django project with
an absolute minimum of code changes.

Homepage:
https://github.com/etianen/django-reversion
