QGis
QGis is a user friendly Open Source Geographic Information System (GIS) licensed under the GNU General Public License. QGIS is an official project of the Open Source Geospatial Foundation (OSGeo). It runs on Linux, Unix, Mac OSX, Windows and Android and supports numerous vector, raster, and database formats and functionalities.

With using this application you can view WFS/WMS/WMTS layers.
WFS
For adding new WFS layer, choose in menu following item
Layer Add Layer Add WFS Layer ...
In appearing window click by New and enter following parameters:
- Name: Any name that you want
- URL: https://fields-boundaries-api.prod-dp.onesoil.ai/geoserver/onesoil/wfs
- Username: onesoil-demo
- Password: demo

Then you can click Connect and choose layer
