http://docs.aws.amazon.com/systems-manager/latest/APIReference/Welcome.html

Amazon EC2 Systems Manager is a collection of capabilities that helps you automate management tasks such as collecting system inventory, applying operating system (OS) patches, automating the creation of Amazon Machine Images (AMIs), and configuring operating systems (OSs) and applications at scale. Systems Manager lets you remotely and securely manage the configuration of your managed instances. A managed instance is any Amazon EC2 instance or on-premises machine in your hybrid environment that has been configured for Systems Manager.

https://www.servicenow.com/products/discovery.html

ServiceNow Discovery product offers a repeatable and reliable method to identify the elements of enterprise IT infrastructure, making it possible to capture an accurate and up‑to‑date map of CI relationships. When paired with ServiceNow Service Mapping, it enables you to accurately identify all services and infrastructure across the enterprise.

https://www.servicenow.com/products/servicenow-platform/configuration-management-database.html

The ServiceNow CMDB provides a single system of record for IT. When paired with ServiceNow Service Mapping, the CMDB becomes service aware — which enables your ServiceNow applications to be service aware as well. Now with your CMDB, you gain full visibility of your infrastructure and services, leading to more control of your environment and better decisions.

https://www.splunk.com/

Collect, analyze and act upon the untapped value of the big data generated by your technology infrastructure, security systems and business applications and gain insights to drive operational performance and business results.

Pre-Requisites

• Splunk Enterprise and/or Splunk Cloud
• Splunk AddOn for Windows
• Splunk AddOn for Unix

https://www.microsoft.com/en-us/cloud-platform/system-center-configuration-manager

System Center Configuration Manager (SCCM, also known as ConfigMgr), is a systems management software product developed by Microsoft for managing large groups of computers running Windows NT, Windows Embedded, macOS (OS X), Linux or UNIX, as well as Windows Phone, Symbian, iOS and Android mobile operating systems. Configuration Manager provides remote control, patch management, software distribution, operating system deployment, network access protection and hardware and software inventory.

Bring your own tool, or other off-the-shelf solutions