> LLVM is NOT free software because it is released under the Apache license, which is an open source license but not a free software license. GNU disagrees wit

> LLVM is NOT free software because it is released under the Apache license, which is an open source license but not a free software license. GNU disagrees with you: https://www.gnu.org/licenses/license-list.html https://www.gnu.org/licenses/license-list.html > Apache License, Version 2.0 - This is a free software license, compatible with version 3 of the GNU GPL. Furthermore: > Further it is not really a confusion to equate permissive licensing with open source as distinguished from copyleft and free software. You are in disagreement with the FSF on this issue. "permissive" licenses also follow the Four Essential Freedoms, none of which require viral licensing.