As far as I know, Azure Durable Functions doesn't have a server-side proprietary component and it's actually fully open source framework/clients as well. So it'

As far as I know, Azure Durable Functions doesn't have a server-side proprietary component and it's actually fully open source framework/clients as well. So it's actually not a cloud offering per-se. You can see the full implementations at: * https://github.com/Azure/durabletask https://github.com/Azure/durabletask * https://github.com/microsoft/durabletask-go https://github.com/microsoft/durabletask-go