hTools3

Modular toolkit for type design and font production work in RoboFont 3.

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hRasterizer

hTools3 extension to rasterize glyph contours into vector elements.

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TempEdit

RoboFont extension to quickly edit glyph designspaces in a temporary font.

open source
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GroupSpacing

RoboFont extension to enable group-based spacing in the Space Center.

open source
source  download 

CompareOTFs

RoboFont extension to compare OpenType font tables using TTX diffs.

open source
source  download 

StrokeSetter

hTools3 extension to model calligraphic strokes around skeleton contours.

BlurTrace

hTools3 extension to apply a blur effect to glyphs and trace the result in a separate layer.

Underliner

hTools3 extension to add non-overlapping underline or strikethrough to glyphs.