Installing Additional Packages
To install python packages that are not included in Winpython.
Installing via pip from pypi
Using the Winpython Command Prompt you are able to use pip directly to install packages from PyPI for example:

Since Winpython of March 2015, all packages installed via pip are also visible in the (WPPM). This wasn't the case for some packages from pip.
Installing via 'pip' from github
for a given release of a project (when it exists)
pip install https://github.com/vispy/vispy/archive/v0.4.0.zip
for the current master version of a project
pip install https://github.com/yhat/rodeo/zipball/master