Testcontainers is a Java library that supports JUnit tests
Node library to automate Chromium, Firefox & WebKit with a single API
jQuery JavaScript library
Barcode generation library written in JavaScript
FFmpeg for browser, powered by WebAssembly
JS library that detects HTML5 & CSS3 features in user’s browser
An organizer for your videos, written in Go
.NET version of the Playwright testing and automation library
Running Elixir in the browser
Scanner detecting the use of JavaScript libraries
A JavaScript library for generating random user agents with data
Realtime application framework (Node.JS server)
An open source Web UI component library
Digital library with smart shelves
Lighter web automation with Python
Fast math typesetting for the web.
Flexible Node.js AI-assisted crawler library
A node.js library for testing modern web applications
A set of tools that keep Java sweet
Kotlin DSL for HTML
Tools for publishing transcripts for Claude Code sessions
Do more with Blazor, utilizing CSS and keeping Javascript to a minimum
The official Node.js / Typescript library for the Groq API
Offload tasks to a pool of workers on node.js and in the browser
A collection of tips to help take your CSS skills pro