Inventory of assets - what tooling do you use?

Items #1 and #2 on the CIS 18 controls are inventorying (and controlling) all hardware and software on the network. These items also exist in other frameworks and are really foundational to scoping and managing the security of a network.

What is the current state of tooling used for inventorying and monitoring those assets? It seems like there are tools that do this but not well, and/or are modules/adjunct functions of something else. What are people seeing / using out …

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