The Lino Software Foundation uses their income for the following activities.
Employ administrative personnel for management tasks and public relations.
Operate one or several Lino sites required as an infrastructure for their work.
Distribute donations to underlying free software projects.
Refund costs for training, meeting or travelling to their members or employees.
See The New New Thing: A Silicon Valley Story Paperback by Michael Lewis (January 2014) (via What Is a Business Model?).