To be fair, I am a native english speaker and this is the first time I've seen it used as a verb. "OSS" generally acts as a noun. In this instance I would have

To be fair, I am a native english speaker and this is the first time I've seen it used as a verb. "OSS" generally acts as a noun. In this instance I would have used "open source" as the verb of what you could do to your proprietary Software, after which it would become OSS.