Title is "Winamp Legacy player source code is now open". The usage of the word "open" in conjunction "source code" alludes to the long established "open source code" phrase, which implies a set of licenses, and the associated open source culture.
A better choice for the title would have been "Winamp Legacy player source code is now available".
A better choice for the title would have been "Winamp Legacy player source code is now available".