The following is a FREEWARE Full Featured Gerber File EDITOR Compatible with KiCAD!
FlatCAM Open Source Gerber File Editor
FlatCAM Archive
SCROLL TO BOTTOM OF PAGE FOR DOWNLOAD LINKS:
(RECOMMENDED WINDOWS INSTALLERS)
FlatCAM_beta_8.994_x86_installer.exe
https://bitbucket.org/jpcgt/flatcam/downloads/FlatCAM_beta_8.994_x86_installer.exe
FlatCAM_beta_8.994_x64_installer.exe
https://bitbucket.org/jpcgt/flatcam/downloads/FlatCAM_beta_8.994_x64_installer.exe
EXAMPLE SCREENSHOT:
