International audienceIn this work we concentrate on where for- profit pure FLOSS business organizations in the embedded real-time software space draw their revenue. The business model of these ventures rests on an original concept: the LSO (Leveraged Service Organization) which, thanks to its subscription-based model, is capable of generating a stable cash flow that can be invested in innovation and reward employees and investors alike. The leverage aspect, in an LSO, comes from concentration of know-how and expertise around the Free Software package(s) marketed. Thanks to this expertise an LSO can offer a service of extremely high-value to its customers
