A brief introduction to modern AI and a list of useful online courses for learning it properly. Includes courses about Machine Learning and Deep Learning. Also includes advanced courses that target development of AI applications and algorithms. Many courses will include specific tools (TensorFlow, Keras, Caffe2, PyTorch, etc.)
The Cognitive Toolkit is an open source toolkit, focused on deep learning and artificial intelligence similar to Google's TensorFlow, which Microsoft released last year.