Open-source alternatives to React Resizable Panels

This project is a React UI interaction library and component geometry manager. It provides a set of tools for creating elements within a React application that users can move and resize. The library allows for the customization of interaction handles, enabling the application of custom components, styles, or CSS classes to the resize handles to match specific visual designs. The system covers element manipulation through both direct user interaction and programmatic geometry updates. It includes capabilities for grid snapping, bounding constraints, and locked aspect ratios to control the pos

react-rnd is a JavaScript UI interaction library and React component used to create elements that are both draggable and resizable within a browser window. It functions as a constraint-based layout component that wraps DOM elements to enforce boundaries, grid snapping, and aspect ratio locks during manual adjustments. The library allows for the definition of custom interaction handles to act as the primary triggers for dragging and resizing actions. It supports axis restrictions, boundary limits, and the ability to round position and dimension values to specified pixel increments. The system

This repository is a gallery of reference projects used to demonstrate the development of interactive user interfaces and dynamic web pages using the React library. It provides a collection of practical application examples focused on component-based architecture and frontend development. The projects serve as demonstrations for coordinating global and local data using hooks, context, and reducers. They include samples for fetching remote data to populate dynamic lists and galleries, as well as implementations of multi-page navigation and dynamic views that do not require browser refreshes.

This project is an educational course and a collection of frontend projects designed to teach the core concepts and architecture of the React library. It serves as a practical guide for building modular user interfaces through a series of hands-on project builds. The repository includes a technical implementation of a custom React renderer, demonstrating how to transform JSX elements into a document object model. It further provides examples of state management, specifically illustrating how to share global data across a component tree using the provider pattern to avoid property drilling. T

This project is a collection of educational code samples and reference implementations for learning the React library. It provides curated examples of frontend architecture patterns used to build and structure user interfaces in web applications. The repository focuses on practical implementation patterns, offering a set of React component examples that demonstrate how to organize components and hooks. These materials serve as a guide for translating design requirements into functional code through studied implementation samples. The content covers the fundamentals of React frontend developm

react-pxq is a React Redux boilerplate and state-driven UI framework designed for building single-page applications. It functions as a starter project template that combines a client-side routing system with global state management to synchronize data across a component hierarchy. The project implements a code-split web application architecture that uses lazy loading to reduce initial bundle sizes. It integrates a navigation system that maps URL paths to components without triggering full page reloads. The framework covers centralized state management through a global store and action-based

This project is a curated educational resource designed to help developers practice frontend web development through a collection of fifty distinct coding challenges. It provides a structured curriculum focused on building functional applications using React and modern static web technologies, offering project briefs and blueprints that guide learners through the implementation of diverse web interfaces. The collection distinguishes itself by emphasizing full-stack prototyping and real-world integration patterns. Rather than focusing on isolated UI elements, the projects require the integrati

This project is a high-performance data grid component for React designed to render large datasets within a spreadsheet-style interface. It provides a framework for displaying structured tabular information while enabling complex cell-based interactions and data management tasks. The component distinguishes itself through its support for spreadsheet-like editing workflows, including keyboard-driven navigation and the ability to inject custom components into individual cells. Users can dynamically manage the grid layout by resizing columns and organizing headers, ensuring the interface adapts

This project is a comprehensive instructional resource and tutorial guide for learning React and the broader frontend engineering ecosystem. It serves as a structured course covering the fundamentals of building user interfaces through component-based architecture. The project provides specialized guides on coordinating application data via Redux state management, integrating and mutating data using GraphQL and Relay, and building native mobile applications using a single codebase. It also includes a dedicated tutorial for verifying component behavior through unit testing, shallow rendering,

Frontend Workshop from HTML/CSS/JS to TypeScript/React/Redux

react-draggable is a drag and drop library and coordinate-based position manager for React. It functions as a component wrapper that adds draggable behavior to user interface elements, enabling them to be moved via mouse or touch interactions. The library provides touch-enabled interaction tools that unify pointer events across desktop browsers and touch screen devices. It utilizes CSS transforms to handle element movement and coordinate tracking. The system covers movement constraints such as axis restriction and boundary clamping to confine elements within specific areas. It includes posit

This project is a comprehensive full-stack web development course delivered through a video-based curriculum. It provides a structured learning path that integrates frontend and backend technologies, guiding users from fundamental concepts to advanced implementation across a multi-language stack. The curriculum distinguishes itself through a progressive layering of complexity, combining a React-based frontend course with a Python and Django backend course. It emphasizes professional workflow integration, featuring dedicated tutorials on Git and GitHub for version control and collaborative cod

Panelkit is an iOS panel UI framework and multi-panel layout engine designed to create and manage floating, pinned, and modal content panels within applications. It functions as a floating window manager and interface orchestrator, handling the positioning, dragging, and resizing of independent user interface windows on mobile screens. The framework supports dynamic UI composition, allowing content to be rendered in multiple presentation styles such as popovers or pinned sidebars. It includes a state-persistence layout engine that saves and restores window coordinates and dimensions to mainta

This is a custom Android UI component designed to automatically adjust font sizes so that text content fits within defined layout bounds. It functions as a text scaling tool that ensures strings remain visible and contained within specified width and height constraints. The component implements adaptive layout design by dynamically modifying text size based on available screen real estate. It utilizes a measure-based fit calculation and iterative scaling to prevent text from being clipped or wrapping unexpectedly across different device resolutions.

Unopinionated utilities for resizeable split views

AndroidAutoLayout is an Android library that converts pixel values from design mockups into percentage-based layouts, enabling consistent scaling across different screen resolutions. At its core, it functions as a pixel-to-percentage converter and screen resolution scaling tool, allowing developers to design layouts using exact pixel dimensions from mockups and have them automatically adapt to any target device. The library provides several distinctive approaches to screen adaptation. It can generate resolution-specific dimension resource files from a single baseline design, eliminating manua

Styled-icons is a collection of popular open-source icon packs packaged as React components for layout integration, functioning as a vector icon component generator that transforms raw SVG icon sets into framework-native components. It embeds scalable vector icons directly into user interfaces with support for custom dimensions and styling APIs, and renders icon components that inherit styles and properties from the parent application context. The project utilizes AST-based code generation to transform raw upstream SVG files into reusable component source code during the build process, and ap

AsyncDisplayKit is an asynchronous UI framework and performance library for iOS. It provides a collection of performant alternatives to standard views, allowing developers to build responsive interfaces by offloading layout and rendering tasks to background threads. The framework is centered around a declarative layout engine based on a flexbox model, which calculates element positions and sizes asynchronously. It utilizes a node-based abstraction to wrap native views, enabling the instantiation and configuration of UI hierarchies on background threads to prevent main thread blocking. The sy

mdui is a framework-agnostic UI library and design system based on Material Design 3 standards. It provides a comprehensive set of reusable interface elements implemented as native Web Components, ensuring compatibility across different JavaScript frameworks. The library features a sophisticated theming system that supports light and dark modes, as well as the ability to generate dynamic color palettes from seed colors or image sources. It distinguishes itself with a high level of flexibility in visual customization, using CSS custom properties to control design tokens such as typography, cor

CoreUI Free Bootstrap Admin Template is a pre-built, responsive admin dashboard template built on Bootstrap 5 for constructing back-office interfaces. It provides a library of UI components with native wrappers for React, Vue, and Angular applications, alongside a Sass-based theming system for managing brand colors, dark mode, and design tokens via variables and CSS custom properties. The template includes a set of advanced form controls such as autocomplete, date pickers, and multi-step wizards with built-in validation, and supports switching the entire interface between built-in dark and li

Coss is an accessible UI component library and design system framework used to build web interfaces. It provides a comprehensive kit of interactive elements and layout building blocks that follow screen reader and keyboard navigation standards. The project functions as a UI overlay management library, offering specialized tools for implementing anchored popovers, tooltips, and slide-out panels with smooth transitions. It includes a set of accessible form primitives and selection controls to ensure compatibility across different assistive technologies. Its broader capabilities cover the const

dat.gui is a JavaScript GUI controller library that provides a lightweight interface for manipulating variables in real-time through a visual control panel. It functions as a real-time variable debugger and graphical overlay for monitoring and adjusting object properties during application runtime. The library features a collapsible control panel that organizes complex sets of variable inputs into folders. It includes a state management system capable of exporting and importing the current configuration of active controllers as JSON objects. The tool supports object-property binding and dyna

mui is a mobile UI component framework and native-like web UI kit designed for building high-performance mobile web interfaces. It functions as a mobile web performance framework and gesture-based interface library to eliminate browser lag and mimic the behaviors and animations of native mobile applications. The framework focuses on implementing common mobile UX patterns, including pull-to-refresh functionality, swipe-to-action menus, and sliding side navigation. It provides specialized tools for gesture-driven interface development to ensure an immediate visual response to touch interactions

This project is a neobrutalist UI component library and accessible design system for React. It provides a collection of high-contrast web elements characterized by bold colors, thick borders, and a raw aesthetic. The library distinguishes itself by combining a data visualization toolkit—featuring styled charts and responsive tables—with a comprehensive set of interactive components. It balances this specific visual style with accessibility standards for keyboard navigation and screen readers. The component surface covers a wide range of functional areas, including complex form controls with

gridstack.js is a JavaScript grid layout library and responsive dashboard framework used to create interactive interfaces with draggable and resizable elements. It functions as a drag-and-drop layout manager and a JSON-serializable layout engine, allowing user-defined interface states to be persisted and restored. The library distinguishes itself through a touch-enabled grid interface and a responsive system that automatically adjusts item placement based on screen breakpoints. It features a collision-based layout engine that manages overlapping coordinates to shift or swap elements, alongsid

shadcn-svelte is a collection of accessible and customizable user interface elements for Svelte applications. Rather than being distributed as a traditional dependency, these components are provided as source code that is copied directly into the project codebase. The library utilizes a registry-based distribution system, allowing users to install specific UI blocks and components via a command-line interface. This system uses JSON metadata to define dependencies and file paths, while a bootstrapping process automates the configuration of styles and CSS variables. The project integrates Tail

bootstrap-modal is a JavaScript library that extends the standard Bootstrap modal component to provide advanced resizing, stacking, and animation capabilities. It functions as an AJAX modal loader, fetching remote content and updating views asynchronously without requiring a browser page refresh. The project provides a stackable overlay manager to organize multiple overlapping windows with synchronized event handling and correct layer ordering. It also includes a responsive UI component that automatically adjusts dimensions and constraints based on the current window size. The library covers