Learn the meaning of the two words: Open Source = You can see the source. Usually MIT / BSD + GPL + MPL and various others are all "Open Source" Free Softwar

Learn the meaning of the two words: Open Source = You can see the source. Usually MIT / BSD + GPL + MPL and various others are all "Open Source" Free Software = GPL and other licenses that enforce the users freedom of access to source code. Free has nothing to do with cost.