Z:gnu-www-ja-plan-nine--cb13bb-When I saw the announcement th/en

When I saw the announcement that the Plan 9 software had been released as &ldquo;open source&rdquo;, I wondered whether it might be free software as well. After studying the license, my conclusion was that it is not free; the license contains several restrictions that are totally unacceptable for the Free Software Movement. (See http://www.gnu.org/philosophy/free-sw.html.)