MIT, BSD, and GPL are all on both OSI’s list of Open Source licenses and the FSF’s list of Free Software licenses.
Yes, the FSF has a general preference that people use copyleft licenses like the GPL, but they recognize that permissive licenses meet the Free Software Definition.
Yes, the FSF has a general preference that people use copyleft licenses like the GPL, but they recognize that permissive licenses meet the Free Software Definition.