Top 20 Python AI and Machine Learning Open Source Projects
Dataquest has compiled a very useful resource for new data scientists, as they say: "Getting into Machine Learning and AI is not an easy task. Many aspiring professionals and enthusiasts find it hard to establish a proper path into the field, given the enormous amount of resources available today. The field is evolving constantly and it is crucial that we keep up with the pace of this rapid development. In order to cope with this overwhelming speed of evolution and innovation, a good way to stay updated and knowledgeable on the advances of ML, is to engage with the community by contributing to the many open-source projects and tools that are used daily by advanced professionals." You also might want to take a look at the book "Python: Machine Learning."
from The Universal Machine http://universal-machine.blogspot.com/