Google Fonts's repositories
fontations
Reading and writing font files
science-gothic
Science Gothic, a libre variable font
googlefonts-project-template
(DEMO) Repository architecture example for a typeface design project
googlefonts.github.io
Google Fonts documentation
fontra-pak
A cross-platform bundled Fontra server for local desktop use
shaperglot
Test font files for language support
roboto-flex-avar2
Alpha version of Roboto Flex with avar2 data
django-robo-cjk
server-side engine :gear: based on python + django + MySQL of the robo-cjk plugin.
fontra-compile
A Variable Font compiler for Fontra
fontra-rcjk
Fontra plug-in with django-robocjk support and .rcjk file format support
fontra-glyphs
Fontra file system backend for the Glyphs app file format
friends-badge
“Made by Friends of Google Fonts” badge for font minisites
amstelvar-avar2
R&D version of Amstelvar with avar2 to replace gvar data
google-fonts-sources
Rust utility to help find the sources of Google Fonts