There are only handful of language runtimes that got rid of GIL entirely. Namely JVM, .NET, and Rubinius. Other languages either use non-native threads or doesn

There are only handful of language runtimes that got rid of GIL entirely. Namely JVM, .NET, and Rubinius. Other languages either use non-native threads or doesn't support threading at all. (E.g. Nodejs has no threading.)