GitHub

• Awesome Machine Learning: https://github.com/josephmisiti/awesome-machine-learning
• Awesome TensorFlow: https://github.com/jtoy/awesome-tensorflow/

Hacker News

• Search Newest: https://hn.algolia.com/?query=machine%20learning&sort=byDate&prefix&page=0&dateRange=all&type=story
• Search Most relevant: https://hn.algolia.com/?query=machine%20learning&sort=byPopularity&prefix&page=0&dateRange=all&type=story

Medium

• List of Machine Learning writers

Reddit

• Search Newest: https://www.reddit.com/search?q=machine+learning&sort=new
• Search Most relevant: https://www.reddit.com/search?q=machine+learning&sort=relevance
• Machine Learning: https://www.reddit.com/r/MachineLearning/
• Machine Learning Questions: https://www.reddit.com/r/MLQuestions/
• Machine Learning Paper Discussions: https://www.reddit.com/r/mlpapers/

Blogs

• Netflix: http://techblog.netflix.com/search/label/machine%20learning