Couldn't easily see where to comment on github. Might I suggest the addition of spell checking in future versions?
FXGL Dialogue Editor
A downloadable tool
A simple dialogue editor that saves data in .json format, allowing various games and engines make use of this tool. Mac/Linux executables will be available soon.
Please report issues / request features at: https://github.com/AlmasB/FXGL/issues/651
Click download now to get access to the following files: