Study material and references to other resources is maintained in the #100DaysOfExam GitHub repository. Following are only a few, let's say outstanding and most relevant pieces of information, motivation and techniques to stay committed and conquer the #100DaysOfExam challenge.
Exam specific resources
Any preparation material that it is related to a specific exam it should be added or made available under the resources folder on GitHub. There is a growing, vendor-specific hierarchy in place.