That one also wasn't free software at the time. From the article you link: MINIX...

		_delirium on April 21, 2010 \| parent \| context \| favorite \| on: Richard Stallman: "I Wished I Had Killed Myself" That one also wasn't free software at the time. From the article you link: `MINIX has been free and open source software since it was released under the BSD license in April 2000.`