Hacker News Reader

Many FOSS projects have Pro versions (Redhat Linux / Cent OS Linux)

Best One Liner about commercial Open Source software : The only kind of profit strategy that is incompatible with Open Source is monopoly-based sales, also known as "royalties". [] http://opensource.org/faq#profit

View on HN

But Moba isn't selling support. They're giving out crippleware and charging money for a professional version based on the core. How are the modifications that make the pro version not required to be open source?

Cripple software is not monopoly based system called "Royalties."

Reply on news.ycombinator.com