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Turn (almost) any Python command line program into a full GUI application with one line
Install and Run Python Applications in Isolated Environments
A library to manipulate font files from Python.
Recursive Mono & Sans is a variable font family for code & UI
Python code to parse a Twitter archive and output in various ways
FontGoggles: Visual OTL Preview and QA
OTFeatureFreezer GUI app and pyftfeatfreeze commandline tool in Python to permanently "apply" OpenType features to fonts, by remapping their Unicode assignments
TT2020 is an advanced, open source, hyperrealistic, multilingual typewriter font for a new decade.
Hyperglot: a database and tools for detecting language support in fonts
The ultimate list of kerning pairs for type designers
A collection of command line tools to inspect, manipulate and convert font files
Nüshu script enters the Noto Sans font family...
Python library for manipulating OpenType font features
Interrogate and manipulate UFO, TTF and OTF fonts with a common interface
Experimental typeface exploring capabilities of the variable font format
An OpenType table diff tool for fonts. Based on the fontTools TTX format.
Generate STAT tables for variable fonts from .stylespace files
Assorted open source font production tools
Higher order interpolation, also known as non-linear interpolation, in FontForge and other 100% free software
A GlyphsApp plugin to help you explore the world’s languages and writing systems
A list of problems that can occur in designspace files and some tools to find them.
Font version string reporting and modification library + executable tool
This Drawbot script will take two PDFs and overlay them to help highlight differences.