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