SAS Sydney Space Architecture Symposium

Sydney, Australia
Organizer: International Astronautical Federation (IAF)

IAC Adjacent Event; includes live demo of lunar habitat construction; at University of New South Wales Kensington

NASA Space Apps Challenge

Worldwide
Organizer: National Aeronautics and Space Administration (NASA)

48-hour hackathon in French and English for space enthusiasts, programmers, designers, engineers, entrepreneurs and students; 2800+ local events and online