Bonsai
Bonsai is a library for building interactive browser-based UI.
The Getting Started with Bonsai guide is good if you're new to web development entirely or just want to see a walkthrough of a couple simple example apps.
Examples of using Bonsai in a web browser can be found in the examples
directory.
Docs
Documentation can be found in the docs directory, and API documentation can be found in src/bonsai.mli.