Your code, coming from an organization that is sufficiently funded and therefore more likely to be maintain it in the future, is significantly more valuable than the identical code coming from a less funded organization with murkier future prospects. "Maintenance security", "peace of mind", "de-risking adoption for users", "ongoing delivery of feature development", or however you want to phrase it, is a product that you could choose to sell. patio11 is just telling you the language that businesses and their accountants speak - documentable expenses = YES, donations = NO.