WordPress creator Matt Mullenweg is trying to force WP Engine to surrender part of its revenue to his company, Automattic, and the feud's repercussions are rippling throughout...
Once a developer starts charging for his product, the code is no longer open-source–it’s proprietary, which falls under completely different licensing rules.
This is wrong. Open Source does not mean its free of charge. You can copy and fork the code and do whatever you want with it (including selling). And the developer has the right so sell the product too. This does not mean its proprietary, if the license and the code is Open Source.
Because people think Open Source means free of charge, is the problem why the Open Source developers have a hard time to make money and a living.
This is wrong. Open Source does not mean its free of charge. You can copy and fork the code and do whatever you want with it (including selling). And the developer has the right so sell the product too. This does not mean its proprietary, if the license and the code is Open Source.
Because people think Open Source means free of charge, is the problem why the Open Source developers have a hard time to make money and a living.