What is an Open Source Company?

Monty Wildenius:

David and I did however make a small mistake in that the shareholder agreement only said that “MySQL software” should be kept under an open source license. This allowed the MySQL management in 2006 to release Merlin, the MySQL monitor, as a closed source product, by claiming “this was not based on the MySQL server code”. So even if we, the founders, managed to keep the MySQL server free, MySQL AB was only an “open source company” until 2006.