Portable Basemap Server is an easy to use WPF application and has implemented map tile part of Esri’s “GeoServices REST Specification” and OGC WMTS specification, which wraps various kinds of data source to provide identical REST and WMTS Basemap service, and then can be used by ArcGIS and third-party APIs. click on the link to download
https://drive.google.com/file/d/1jkNLHk_FcAB6_w8XjkPa6wDRBHs8raaY/view?usp=sharing