ZPL-Viewer emulates a Jet-Direct port on your desktop, and renders incoming printer data directly on the screen. As backend, it uses labelary.com´s online REST-Api, which is currently free (fair use).
BinaryKits.Zpl a set of .net libraries. The project supports you in the simple creation of zebra labels. It generates the ZPL data, it is a printer description language from Zebra Technologies. ZPL II ...