“Plum allows you to toggle a “plumb-line” guide in the glyph view that remains centered between the side bearings of the glyph.”
“This tool provides live feedback about the technical quality of a glyph. The goal is to help new type designers get through the “Beziers Are Frustrating!” phase a little more quickly. Keep in mind that the displayed notes and marks are generated by math and are not a definitive list of things that must be corrected. It’s always (okay, not always) acceptable to break the rules as long as you have a good reason. Think of the comments as reminders to think through why you have things where they are.”
One of Alexandre’s greatest hits from his famed TypeMedia days, this little script gives you an idea what some broad nib might look like over a skeleton. Sort like a poor man’s Kalligulator.
“A subclass of the Robofont Editing Tool, Bounding Tool helps you visualize the bounding box of your current glyph. It will also display the box’s dimensions, thanks to Nina Stössinger. You can use the division sliders if you are trying to center something, or divide something evenly into halves, thirds, or quarters.”