42 Platform as a service (paas) featuring computer software for cashless payments, for controlling access to events and for the management of accreditation to events, providing also real time insight in the payments and number of visitors to events; access control as a service (acaas); installation of access control as a service (acaas) software; providing temporary use of on-line non-downloadable software for processing electronic payments; development of software for booking agencies, artist promoters, dj's, artists and festival organizers for artist management, booking management and event management; computer services, namely, hosting a web site for others that automates party and entertainment events management information consisting of performing artists, guest lists, guest information, restaurant information, gift registry information, invitation rsvps and hotel bookings; providing temporary use of a non-downloadable web application for project management in the field of the organization of events, for booking agencies, artist promoters, dj's, artists and festival organizers for artist management, booking management and event management, for time management, for generating and sharing web-based documents or collaborating on shared documents