Self-host Open Source fonts in neatly bundled NPM packages.

Read and write OpenType fonts using JavaScript.

Automatic font fallback based on font metrics

This layout engine can solve the hardest layout problems imaginable. Its output is DTP grade and deterministic. It's faster than engines written in C++ because it's not traditional. Backed by game engine tech, it has a microkernel and runs a spatial-temporal simulation instead of a giant complex pagination loop.

Universal Webfont loader - Unfonts - based on https://web.dev/optimize-webfont-loading/

Framework agnostic tools for accessing data from font CDNs and providers