Since the European Commission announced it was opening an in-depth investigation into the proposed takeover of Sun Microsystems by Oracle with a focus on MySQL there has been no shortage of opinion written about Oracle’s impending ownership of MySQL and its impact on MySQL users and commercial partners, as well as MySQL’s business model, dual licensing and the GPL.

In order to try and bring some order to the conversation, we have brought together some of the most referenced blog posts and news stories in chronological order.

Part one took us from the announcement of the EC’s in-depth investigation up to the eve of the communication of the EC’s Statement of Objections.

Part two, below, takes us from there to the eve of the announcement of Oracle’s concessions. …

Below is a rough draft of the cornerstone slide for a new presentation deck I am putting together to explain the various business strategies for monetizing open source software. The aim is to explain every single existing strategy using the elements on this one slide (although I am yet to test it out).

In our previous discussions about business strategies we have noted that there are four elements that shape a business strategy around open source software: the open source software license; the development strategy; the end user license strategy; and the revenue trigger.

As can be seen from the slide above, I have added a fifth element: copyright control. Copyright was previously considered in our research around business strategies but was seen more as an underlying influence than a distinct strategy element.

I have recently come to the realisation that copyright control is not just a part of each of the four elements, and …