
Counterpunch
8.0#1 in font design softwareFrom €5 a monthFree planWebAPILinuxmacOS
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It suits font designers who need complex-script shaping, variable-font editing, or a Python environment. It is not optimized for mobile operating systems.
Runebender may suit font designers working with UFO or Designspace sources who are comfortable with alpha software and installing a native app from source. Its experimental browser build is available for local use, but is not recommended for real work.