Hello Grease Pencil animators!
I would like to introduce my new add-on which adds many useful features helping in drawn animation worfkflow, among others there are:
“Drawing with Hints” option (equivalent of Guided Drawing in OpenToonz)
Buttons in 3D View - for people working with tablet.
Traditional Onion Skin switcher
and other stuff…
It is available in Blender Market: