It's MIT, and the host is built on .NET Core, so you can run it on Linux if you want: https://github.com/Azure/azure-functions-host https://github.com/Azure/az

It's MIT, and the host is built on .NET Core, so you can run it on Linux if you want: https://github.com/Azure/azure-functions-host https://github.com/Azure/azure-functions-host Under Satya Nadella the change in Microsoft has been little short of astonishing. A few years ago, I could understand the continued cynicism - but if anything the pace of change has only intensified.