Open source. Open possibilities.

Comprehensive guide covering vast tech areas, helping professionals and students gain knowledge and resolve doubts for tech careers.

AdminLTE is an MIT-licensed, responsive admin dashboard template built on Bootstrap 5.3 with vanilla JavaScript, installable via CDN, npm or Composer, with framework editions for React, Vue, Laravel, Django and more.

A code beautifier for JavaScript, CSS, and HTML that reformats and re-indents code with extensive configuration options. Available as a CLI tool, Node.js library, Python package, and web library.

A collection of coding articles and snippets designed to help developers improve their skills through practical examples and explanations.

A 12-week, 24-lesson open-source curriculum from Microsoft Cloud Advocates teaching HTML, CSS, and JavaScript through hands-on projects including terrariums, browser extensions, a space game, and a banking app.

Storybook is a frontend workshop for building, documenting, and testing UI components and pages in isolation. It supports many frameworks and offers addons for accessibility, documentation, and interactive development.

Ruby on Rails is a full-stack web application framework that follows the MVC pattern. It includes Active Record for database modeling, Action Pack for routing and controllers, Action View for templating, and additional libraries for mailers, jobs, WebSockets, file storage, and rich text handling. It enables rapid development of database-backed web applications.

Bulma is a modern, Flexbox-based CSS framework distributed as a single CSS file with no JavaScript. It offers Sass sources for variable customization and works with any frontend stack.

Happy DOM is a JavaScript implementation of a web browser's DOM without a graphical user interface, designed so browser-style code and component tests can run in runtimes like Node.js and Bun.

Spruce CSS is an open-source, lightweight Sass-based CSS design system and framework offering variables, mixins, functions, few utility classes and CSS custom property theming with dark mode.

Bootstrap is a widely used open-source front-end framework for building responsive, mobile-first websites. It provides compiled and source CSS, JavaScript components, utility classes, and theming tools, with options for install via npm, Composer, NuGet and more.

PyScript is an open source platform that runs Python in the browser using Pyodide (CPython) and MicroPython compiled to WebAssembly. Add a stylesheet and script tag, then write Python in HTML script tags to build rich browser apps on any device.

A professional front-end starter template for building fast, robust, and adaptable websites or web apps, refined over a decade by a large community.

TW Elements is an MIT-licensed component library for Tailwind CSS, offering 500+ interactive UI components and 117+ design blocks with dark mode support, theming options, and quick installation for personal and commercial use.

Hyper is an open-source terminal emulator built on open web standards, offering an extensible, customizable command-line experience with plugins and themes.

EasySpider (易采集) is a free visual browser automation and web scraping tool with a no‑code GUI, command‑line mode, flowchart‑style task design, looping, conditional branches, OCR, custom JS/Python, MySQL output, scheduled and parallel runs, IP pool switching, and AGPL‑3.0 license; featured at WWW 2023 with a patent and a Zhejiang University thesis.

Parcel is a zero-configuration web build tool that supports HTML, CSS, JavaScript and many asset types out of the box, with a built-in dev server, hot reloading, Rust-based compilation, caching, and automatic production optimization.

htmx is a small, dependency-free JavaScript library that lets you issue AJAX requests, use CSS transitions, WebSockets and Server Sent Events directly from HTML attributes, enabling hypertext-driven interfaces without heavy frontend frameworks.

Flowbite is an open-source UI component library built on Tailwind CSS, offering interactive components like modals, dropdowns and datepickers driven by data attributes, with vanilla JS APIs, TypeScript types, RTL support and bindings for React, Vue, Svelte and Angular.

Prettier is an opinionated code formatter that parses code and reprints it with consistent rules, taking maximum line length into account and wrapping when needed. It can run in editors on save, pre-commit hooks, or CI.