Microsoft Integration, Azure, Power Platform, Office 365 and much more Stencils Pack it’s a Visio package that contains fully resizable Visio shapes (symbols/icons) that will help you to visually represent On-premise, Cloud or Hybrid Integration and Enterprise architectures scenarios (BizTalk Server, API Management, Logic Apps, Service Bus, Event Hub…), solutions diagrams and features or systems that use Microsoft Azure and related cloud and on-premises technologies in Visio 2016/2013
Why do you think that https://github.com/bhdicaire/visioStencils is a good alternative to Microsoft-Integration-and-Azure-Stencils-Pack-for-Visio