NUU Orgs holds the teams of NUU: each organisation, its members, their roles, and the invitations. Each NUU app shows the organisations that you are in. Each person also has a personal organisation for their own work.
Organisations for teams, labs, and groups. Three roles: an owner manages everything, an admin manages the members and the invitations, and a member sees the organisation and its members. Invitations by email. A public page for each organisation that its owner makes public.
Sign in with your NUU account. Make an organisation on the dashboard, invite people by email, and give each person a role. The invited person signs in with the same email and accepts the invitation on the dashboard. NUU Orgs sends a change of a role to the other NUU apps in a few seconds, and an open app shows it within about a minute.