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GatsbyJS is a free and open-source static site generator based on React. It uses a modern development stack including Webpack, GraphQL, and modern JavaScript and CSS frameworks. It also provides a rich set of plugins, starters, and themes.

React is a widely used JavaScript library for building user interfaces and single-page applications. It follows a component-based architecture and uses a virtual DOM to efficiently update and render UI components

SCSS is a preprocessor scripting language that extends the capabilities of CSS by adding features such as variables, nesting, and mixins. It allows developers to write more efficient and maintainable CSS code, and helps to streamline the development process by reducing repetition and increasing reusability.

Styled Components is a popular library for styling React components using CSS syntax. It allows you to write CSS in your JavaScript code, making it easier to create dynamic styles that are specific to each component.

Tailwind CSS is a utility-first CSS framework that provides pre-defined classes for building responsive and customizable user interfaces.

Headless UI is a set of completely unstyled, fully accessible UI components for React, Vue, and Alpine.js that empower developers to build their own fully accessible custom UI components. Headless UI allows developers to focus on building accessible and highly functional user interfaces, without the need to worry about styling or layout.

Documentation themes are built specifically for writing technical and product documentation. They are normally written and maintained in Markdown. The often include a navigation menu, search bar, clear headings, semantic document structure and clean typography.

ESLint is a linter for JavaScript that analyzes code to detect and report on potential problems and errors, as well as enforce consistent code style and best practices, helping developers to write cleaner, more maintainable code.

Alpine.js is a lightweight JavaScript framework that simplifies the process of creating dynamic, reactive user interfaces on the web. It uses a declarative syntax that offers a higher level of abstraction compared to vanilla JavaScript, while being more performant and easier to use than jQuery.

MobX is a simple and scalable state management library for JavaScript applications. It uses reactive programming techniques to automatically update the user interface in response to changes in the application state, making it easy to build complex and dynamic user interfaces with minimal code.

PostCSS is a popular open-source tool that enables web developers to transform CSS styles with JavaScript plugins. It allows for efficient processing of CSS styles, from applying vendor prefixes to improving browser compatibility, ultimately resulting in cleaner, faster, and more maintainable code.

PrismJS is an open-source, lightweight, and extensible syntax highlighting library that supports a wide range of programming languages and markup formats.

Redux is a state management library for JavaScript apps that provides a predictable and centralized way to manage application state. It enables developers to write actions and reducers that update the state in response to user interactions, server responses, and other events, and can be used with a variety of front-end frameworks and back-end technologies.

TypeScript is a superset of JavaScript, providing optional static typing, classes, interfaces, and other features that help developers write more maintainable and scalable code. TypeScript's static typing system can catch errors at compile-time, making it easier to build and maintain large applications.

Webpack is a popular open-source module bundler for JavaScript applications that bundles and optimizes the code and its dependencies for production-ready deployment. It can also be used to transform other types of assets such as CSS, images, and fonts.

Zustand is a lightweight state management library for React that provides a simple and intuitive API for managing state in your application. It allows developers to easily create and manage global state, and provides a powerful set of tools for optimizing performance and improving developer productivity. Zustand is designed to be easy to use and easy to learn, making it a popular choice for developers of all skill levels.