low-cost, extensible, Python powered, machine vision module
rainbowstream - A smart and nice Twitter client on terminal written in Python.
mimesis - Python library, which helps generate mock data in different languages for various purposes. These data can be especially useful at various stages of software development and testing.
SimpleCV is an open source framework for building computer vision applications. With it, you get access to several high-powered computer vision libraries such as OpenCV – without having to first learn about bit depths, file formats, color spaces, buffer management, eigenvalues, or matrix versus bitmap storage. This is computer vision made easy.
Arrow is a Python library that offers a sensible, human-friendly approach to creating, manipulating, formatting and converting dates, times, and timestamps.
Splinter is an open source tool for testing web applications using Python. It lets you automate browser actions, such as visiting URLs and interacting with their items.