Z:gnu-www-ja-free-software-for-freedom--dc556e-The official definition of =26ld/en

The official definition of &ldquo;open source software,&rdquo; as published by the Open Source Initiative, is very close to our definition of free software; however, it is a little looser in some respects, and they have accepted a few licenses that we consider unacceptably restrictive of the users. However, the obvious meaning for the expression &ldquo;open source software&rdquo; is &ldquo;You can look at the source code.&rdquo; This is a much weaker criterion than free software; it includes free software, but also some  proprietary programs, including Xv, and Qt under its original license (before the QPL).