To better study the web writing, it is important to easily and at any time the best course of Big Data. This free app is a dynamic library supplied by the best French educational websites specialize in courses of Big Data. The courses on the following themes are present in our application: - History Databases (BD) - Emergence of Big Data - Vocabulary around Big Data - Overview of Approaches and Big Data solutions - Distributed computing - History Hadoop - The model Map / Reduce - HDFS - The Ha