On top of that there are also different OSS such as Apache and MIT that the latter one can still restrict the user from using because project owner might patent

On top of that there are also different OSS such as Apache and MIT that the latter one can still restrict the user from using because project owner might patented some algorithm and MIT license doesn't have patent grant. LGPL3.0 also pretty much is restricted in a way that not sure if can be used to distribute software in App Store for iOS legally.