DroMOOC is a free massive open online course on Drones and Aerial Multi Robot Systems. It proposes courses on different topics such as modeling, sensor fusion and state estimation, computer vision, environment modeling, SLAM, trajectory planning, control, etc. A Virtual Machine with a simulator and experimental data sets can be freely downloaded. You can open an account here. You will be asked to choose among the following curricula (see content here): In each curriculum you will have access to courses for basic and advanced levels. A fourth curriculum on multi aerial vehicles will be soon available. Validation tests will be proposed to you (multiple choice questions and answers). Once completed, you will receive a certificate indicating your score to the tests. This MOOC is proposed by ONERA, CentraleSupélec and ENSTA, with financial support from AAP IDEX 2017 Paris-Saclay, Numérique pour la formation à distance, in the context of Université Paris- Saclay & Programme d'Investissements d'Avenir from French State and ANR.