System Center Store
If You looking for System Center community tolls, scripts, etc. use System Center store.
A System Center content download tool, consisting of the latest Scripts, Documentation, Tools, Books and Community listings. Written in C# and .Net 4.0, designed to simplify the process of acquiring or updating toolsets for you, the agile administrator.
Download System Center Store
More details on official page: https://gallery.technet.microsoft.com/System-Center-Store-56d76894