Museomix is an international, creative 3-day marathon held in museums, founded in 2011. It brings together diverse participants to innovate in museography, scenography, and improve museum-public interactions. The event promotes multidisciplinary collaboration, professional networking, and new working methods. Museomix is a non-competitive, cooperative event fostering open innovation and digital transformation in museums, aiming to make cultural institutions more engaging and accessible to the public.