PolyGUI

PolyGUI is a MS Windows graphical user interface for editing and testing PolyGen grammar source files. The generated text output can be viewed both in plaintext format and in HTML preview.

It can be freely downloaded from Polygen website's download page:

• http://www.polygen.org/dist/PolyGUI-1.3.1-win32.zip (direct download link)

It's also avaiable inside the Windows precompiled Polygen binaries package from Polygen's repo (tested on Windows 10):

• Polygen1.6.0-PolyGUI_Win10.zip (direct download link)

PolyGUI was created by ^anakin^, and published on www.polygen.org for free download. There are no license terms for PolyGUI, it's a freeware tool which has been freely shared for over two decades amongst the PolyGen community, with its author's approval.