LeanIX is an enterprise architecture management tool. In general, enterprise architecture is a comprehensive practice and this tool can be used for many aspects of the practice.
Primarily, the tool manages Business Capabilities, Application, Technology and Data catalogues and linkages between them. The base package also includes the following catalogues that can be linked as well:
User Groups - as the name suggests, user groups definition with different attributes
Projects/Initiatives - very helpful for roadmapping exercises
Interfaces - useful for various integrations modelling
Technical Stack/Domains - for technologies/software/tools categorization
Providers - providers of the items in the IT Components list
In addition, there are add-on tools for the lifecycles of third-party tools - useful for technology/software currency management on the corporate level.