Updated with virtualenv-api

Author: Mischa Peters

README.md

@@ -97,6 +97,7 @@ A curated list of awesome Python frameworks, libraries and software. Inspired by
 * [pew](https://pypi.python.org/pypi/pew/) - A set of tools to manage multiple virtual environments.
 * [Vex](https://github.com/sashahart/vex) - Run a command in the named virtualenv.
 * [PyRun](https://www.egenix.com/products/python/PyRun/) - A one-file, no-installation-needed version of Python.
+* [virtualenv-api](https://github.com/sjkingo/virtualenv-api) - An API for virtualenv/pip.
 
 ## Package Management