RoelN

SansBullshitSans

Source for the Sans Bullshit Sans font

Font-Awesome

The iconic font and CSS toolkit

Font-Falsehoods

Falsehoods programmers believe about fonts

ChromaCheck

Feature test for color font support in browsers

google-variable-fonts-links

Compyx

Multicolor OpenType font "Compyx"

Color-Variable-Emoji

LapisLegit

An SVG-in-OpenType testfont

font-face-render-check

Detect if @font-face is supported by checking if fonts are actually rendered

font-to-html

Dump all characters of a font to an HTML page for easy inspection.

Blackout

One font to blackout them all

mops

Mildly Opinionated Prose Stylesheet

Font-Utilities

A list of handy font utilities

cccp

CSS Crunching with Custom Properties

developer.chrome.com

Chrome Developers

Foity-Toity

For when you need that forced flash of invisible text

Font.js

This library adds a new Font() object to the JavaScript toolbox, similar to new Image() for images

pangea-demo

Amstelvar

a parametric variable font by David Berlow

composable-cbdt-poc

fontra

A browser-based font editor

fonts

Font files available from Google Fonts, and a public issue tracker for all things Google Fonts

harfbuzz

HarfBuzz text shaping engine

lang-ietf-opentype

Map between IETF language tags and OpenType language system tags

noto-emoji

Noto Emoji fonts

nototools

Noto fonts support tools and scripts plus web site generation

pico-8-game

Developing a ChuChu Rocket style game for the PICO-8

Roboto-Flex

web.dev

The frontend, backend, and content source code for web.dev

woff2-feature-test

A simple feature test for the WOFF2 font format