Power Apps enables users to build low-code/no-code apps which can connect to 100+ data sources. Power Apps provides rapid application development using services, connectors and data platform.
Citizen developers can build powerful apps to solve business problems using simple drag and drop tools
Microsoft Power Automate enables users to build workflows using drag and drop out of the box actions to automate business processes. Power Automate provides 100+ connectors to various data sources.
Power BI is an interactive data visualization software product developed by Microsoft with a primary focus on business intelligence