Stacker vs Microsoft PowerApps: What are the differences?
Stacker : Build web apps in your browser, without code. Make completely custom UI powered by React, and edit down to the last pixel. Create data tables in seconds and hook data into your app with simple merge tags; Microsoft PowerApps: Build professional-grade apps the easy way. It is a suite of apps, services, connectors and data platform that provides a rapid application development environment to build custom apps for your business needs. Using Power Apps, you can quickly build custom business apps that connect to your business data stored either in the underlying data platform (Common Data Service) or in various online and on-premises data sources (SharePoint, Excel, Office 365, Dynamics 365, SQL Server, and so on).
Stacker and Microsoft PowerApps can be primarily classified as "Low Code Platforms" tools.