Systems, computer program products, and computer-implemented methods for generating interactive graphical user interfaces, software-based workflows, and data integrations using catalogs of workflow applications and auto-generation of aspects of the workflows. A method of the disclosure may include accessing one or more data stores that store: information indicative of one or more data sources, information indicative of one or more data object types, information indicative of one or more applications, and information indicative of compatibilities between the one or more data object types and the one or more applications; receiving a first user input indicating an association between a first data source and a first data object type; and based on the compatibilities and the indicated association, automatically populating each of the one or more applications that is compatible with the first data object type with data from the first data source, wherein populating includes generating interactive graphical user interfaces.