The Webbrowser is the bastion, the holy grail of web development and one of the biggest projects in the Rust ecosystem focusses exactly on that. If Rust achieves to run a browser engine, be used to write server code while also being used as the frontend-development language within the browser, then it will truly be the language of the web like no other.
Web Rendering Engine: Servo
Not yet published on crates.io but steady and continuously developed by Mozilla.
High-level API for programmatically interacting with web pages through WebDriver.
Control Chrome programatically
Thirtyfour is a Selenium / WebDriver library for Rust, for automated website UI testing. It supports the full W3C WebDriver spec.
Do you know something we don't?
Did we miss an important crate? Or maybe you just recently launched something that should be listed here, too? Let us know!