(SQLAlchemy - ORM) + Twisted = win
Modern password hashing for your software and your servers
Foreign Function Interface for Python calling C code.
cryptography is a package which provides cryptographic recipes and primitives to Python developers.
Test vectors for the cryptography package.
Provides support for doing validation using Ajax(currently with jQuery) using your existing Django forms.
Django-filter is a reusable Django application for allowing users to filter querysets dynamically.
django-fixture-generator is a reusable django application to make writing fixtures not suck.
django-taggit is a reusable Django application for simple tagging.
A library to make Django's template tags sweet.
A library for stubbing in Python
Python binding to the Networking and Cryptography (NaCl) library
A pure Python Lex/Yacc that works with RPython
A requests-like API built on top of twisted.web's Agent
Python wrapper for extended filesystem attributes
A fast, no-copy, buffer for Python