This free tool will can help in troubleshooting WMI issues which can happen to SCCM or SCOM agents. You can find more about the tool and download it from here.
Microsoft has released a tool that will help you plan your capacity for Hyper-V Replica. The tool and the documentation for it you can find here.
There is a new troubleshooting tool on the System Center horizon. This tool combines Best Practice Analyzers for the different System Center components. Keep in mind that the tool troubleshoots only server-side issues. In order to use it you have to install Microsoft Baseline Configuration Analyzer 2.1 also. Download the tool from here.
Roger Zander the author of SCCM Client Center tool has released a new tool designed to help you during deployment of software updates. The tool gets a brief overview of status of the servers during patch deployment – Reboot pending, Updates missing, Install running, Users online and etc. The only downside of the tool is that it uses 4 of the 5 default WinRM connections to a server but you can change that with group policy. Keep in mind that no support or warranties are also provided. Requirements of the tool and download link you can find here.
There is a new version of Microsoft Baseline Configuration Analyzer. You can download the installation files and the documentation from here.