Open-source alternatives to Gridstack.js

vue-grid-layout is a draggable and resizable grid system for Vue.js that enables users to customize the placement and size of interface elements. It functions as a dynamic widget orchestrator and a state-persistent layout manager, allowing for the creation of customizable dashboard interfaces where components can be arranged and sized according to user preference. The system operates as a responsive dashboard framework that automatically adapts grid arrangements based on viewport size and supports right-to-left text directions. It provides the ability to capture and serialize grid positions a

React Grid Layout is a toolkit for building draggable, resizable, and responsive dashboard interfaces. It functions as a coordinate-based grid system that reconciles component positions and dimensions through declarative metadata, allowing developers to manage complex collections of UI elements that users can interact with directly. The library distinguishes itself through an automated packing algorithm that maintains structural integrity by shifting elements to fill gaps and resolving overlaps. It supports responsive design by monitoring container width changes against pre-defined breakpoint

Sortable is a framework-agnostic JavaScript library for creating reorderable lists through drag and drop interactions. It functions as a reorderable list manager that allows users to rearrange DOM elements using pointer interactions on modern browsers and touch devices. The library enables the transfer or cloning of items between different lists using shared group identifiers. It supports complex organizational structures, including nested reorderable lists for managing hierarchical data across different levels. Its capabilities cover the animation of element movements and the configuration

Walk is a comprehensive framework for building native Windows desktop applications. It functions as a GUI library and Windows API wrapper, providing a toolkit of native widgets and a declarative layout system for developing high-performance user interfaces. The project is distinguished by its data-binding framework, which uses reflection and string-based property paths to synchronize data sources with interface widgets. It also provides specialized support for high-DPI interface scaling and an optimized native message loop to reduce runtime overhead. The toolkit covers a wide range of capabi

This project is a collection of official plugin packages and a native integration library designed to provide a consistent interface for accessing hardware and software functionality across different mobile and desktop platforms. It serves as a native platform bridge, enabling cross-platform applications to invoke native code and manage operating system dependencies. The project utilizes a federated plugin architecture, splitting plugins into common interfaces and separate platform implementations to allow for independent development and extension. It further supports native integration throu

Dragula is a JavaScript drag and drop library and DOM element manipulator used to move and reorder HTML elements between multiple containers. It functions as a UI interaction framework and event manager that tracks drag lifecycles to facilitate the movement of elements within a web browser interface. The library distinguishes itself through configurable constraint validation, allowing developers to define which elements are draggable and which containers are permitted drop targets. It supports specialized interaction patterns such as element cloning, the use of specific drag handles to restri

Golden Layout is a framework-agnostic UI container and web window layout manager designed to organize application interfaces into a flexible grid of draggable and resizable multi-pane windows. It functions as a hierarchical grid system that arranges page elements into a tree of nested rows and columns to create complex professional interfaces. The system acts as a multi-window workspace orchestrator, allowing components to be detached from the main layout into independent native browser windows. It also serves as a serializable layout engine that captures the arrangement of user interface com

Draggable is a JavaScript library for implementing draggable elements and sortable lists within a web browser. It provides a functional toolset for creating accessible drag and drop interfaces and a mechanism for dynamically swapping, sorting, and reordering HTML elements in real time. The library features a cross-input interaction layer that unifies mouse, touch, and force-touch events into a single stream for consistent behavior across different devices. It specifically includes tools for providing screen reader feedback and assistive technology support to ensure drag operations are accessi

fullPage.js is a JavaScript full-screen scrolling library and layout engine used to create websites composed of vertical sections and horizontal slides that snap to the viewport. It provides a system for organizing web content into full-screen pages with automatic snapping behavior. The library distinguishes itself through a WebGL transition framework and visual storytelling tools, enabling cinematic effects such as 3D rotations, parallax backgrounds, fading, and water distortion during navigation. It also features a responsive adaptation system that can switch from automatic snapping to stan

This project is a modular toolkit for building accessible, component-based drag-and-drop interfaces in React. It provides a foundational framework for managing complex spatial interactions, state synchronization, and element registration, allowing developers to create interactive web applications that support mouse, touch, and keyboard inputs. The library distinguishes itself through a highly extensible architecture that separates input handling from interaction logic. It utilizes a sensor-based input abstraction to normalize diverse user interactions and a plugin-driven lifecycle to inject c

GSAP is a comprehensive JavaScript animation library designed for orchestrating complex motion sequences and interactive user interfaces. It provides a robust property-interpolation engine that calculates intermediate values for CSS styles, attributes, and numeric properties, enabling smooth visual transitions across web elements. The framework is built on a core architecture that manages animation lifecycles, timeline-based sequence orchestration, and virtual property interception to ensure precise control over motion. The library distinguishes itself through a modular, plugin-based extensib

toolong is a terminal log viewer and TUI log manager designed for monitoring live log streams and navigating large log files. It functions as a log aggregator and JSONL formatter, capable of merging multiple log files into a single chronological view by automatically detecting timestamps. The application supports the visualization of structured data by pretty printing JSONL files and applying syntax highlighting to common web server log patterns. It handles large-scale data efficiently through virtual-sized scrollable views, allowing users to open compressed logs or files of any size without

react-draggable is a UI interaction library that provides core primitives and components for adding tactile movement and coordinate-based positioning to web elements. It serves as a tool for making user interface elements movable via mouse or touch interactions within React applications. The library supports the implementation of custom drag handles, allowing the initiation of movement to be restricted to specific child elements identified by CSS selectors. It also provides programmatic drag state management, enabling developers to control element positioning or use callbacks for movement wit

Webstudio is a visual CMS and website builder that provides a visual development environment for designing and publishing websites. It functions as an AI-powered design tool, a REST and GraphQL API client, and an atomic CSS compiler. The platform distinguishes itself through generative AI capabilities for creating layout variants and refining visual styles from text prompts. It integrates a headless CMS workflow that maps external data sources to visual components and utilizes a specialized compiler to convert design tokens into deduplicated atomic CSS for optimized page load speeds. The sys

Swapy is a drag and drop layout library designed to manage the spatial arrangement of UI components. It functions as an element reordering tracker and visual position manager that exports updated layout sequences as data objects after user interactions. The system monitors changes to the visual order of elements to provide updated layout mappings. It enables the rearrangement of on-screen elements through drag and drop interactions to update visual layout mappings. The library covers dynamic layout management and visual element sorting by converting the visual positions of screen elements in

This library provides a set of directives for building sortable, hierarchical user interfaces within the Angular framework. It leverages the native HTML5 drag-and-drop API to enable direct manipulation of data objects, allowing users to reorder items and manage complex list structures through intuitive browser interactions. The project distinguishes itself by supporting nested data visualization, enabling the creation of tree structures that maintain their hierarchy during drag-and-drop operations. It offers granular control over these interactions through custom drag handles, which restrict

OrgChart is a JavaScript hierarchy visualization library and web-based editor used to render interactive organizational charts from JSON or HTML data sources. It functions as a JSON-driven tree mapper and interactive component for visualizing, exploring, and editing complex hierarchical structures. The library enables the real-time modification of parent-child and sibling relationships through drag-and-drop reorganization and dynamic node editing. It distinguishes itself by providing a visual editor for programmatically altering tree structures and managing organizational maps. The system in

Dockview is a UI framework for building complex, desktop-like interfaces featuring dockable layout components, interactive tab grouping, and a cross-platform panel system. It provides the tools necessary to create environments with draggable tabs, split-views, and customizable panel arrangements. The system is distinguished by its multi-window layout manager, which allows panels to be detached into separate browser windows for multi-monitor setups. It further supports a state-persistent architecture that saves and restores the exact position and configuration of views across different user se

Neat is a Sass grid framework and responsive layout system used to build fluid, column-based web architectures. It provides a structured approach to managing layout properties and global design settings through a central configuration map and a toolset of Sass mixins and functions. The system is distinguished by its ability to handle nested grid architectures, allowing flexible grids to be placed inside other grid containers while maintaining precise alignment and gutter control. It also includes development tools for frontend layout debugging that render background guide lines to visualize c

Flowy is a JavaScript library designed for building interactive, drag-and-drop flowchart interfaces. It enables the creation of canvas-based environments where users can arrange blocks to design custom logic sequences, decision trees, and visual process maps. The library provides a structured approach to diagramming by organizing elements into a hierarchical parent-child tree. It features coordinate-based snapping logic to ensure blocks automatically align into organized layouts during user interaction. To support complex system configurations, the tool includes event-driven callback hooks th

Eloquent-JavaScript is a comprehensive JavaScript programming textbook and interactive coding tutorial designed for web development education. It serves as both a language reference and a practical guide, combining theoretical lessons with an environment where learners can execute and modify code examples. The project focuses on the fundamental principles of the JavaScript language, including lexical scoping, prototype-based inheritance, and asynchronous patterns. It provides detailed instruction on object-oriented programming, functional programming, and the use of the browser DOM to create

This project is a declarative motion framework and JavaScript animation engine designed to transition CSS properties, SVG attributes, and DOM elements. It provides a comprehensive set of tools for creating complex, multi-part motion sequences by synchronizing animations, timers, and callbacks into a single, unified timeline. The library distinguishes itself through a robust timeline-based sequence orchestrator that allows for precise timing, label-based control, and hierarchical nesting of animations. It also features a physics-driven interaction library that enables draggable elements with c

re-frame is a functional framework for building single-page applications in ClojureScript. It provides a centralized, immutable database that serves as the single source of truth for the entire application state, enforcing a strict unidirectional data flow where events trigger state transitions and subsequent view updates. The framework distinguishes itself through a reactive signal graph and an interceptor-based middleware pipeline. By treating application logic as a sequence of data-driven events and declarative side effects, it decouples business logic from the view layer. This architectur

Susy is a Sass-based grid layout toolkit designed to automate complex mathematical calculations for responsive web design. It functions as a framework for defining fluid or static column structures, allowing developers to manage grid dimensions, gutter spacing, and element widths directly within their stylesheets. The project distinguishes itself through a functional layout engine that performs arithmetic during the compilation phase, translating concise shorthand syntax into precise CSS property declarations. It supports the creation of bespoke grid systems by maintaining a global configurat

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

Bulma is a design-agnostic CSS framework that provides a collection of pre-styled interface components and layout primitives. It is built to be independent of specific JavaScript frameworks or build tools, allowing developers to construct responsive web interfaces by applying standardized classes directly to semantic HTML markup. The framework distinguishes itself through a utility-first approach that combines modular component styling with a flexible grid system. It leverages native CSS variables to manage design tokens, enabling real-time visual customization, automatic dark mode adaptation

LibGDX is a Java-based framework designed for cross-platform game development, enabling the creation and deployment of 2D and 3D games across desktop, mobile, and web environments from a single codebase. It functions as a comprehensive library that abstracts hardware-accelerated graphics, audio, input, and file system access, providing a unified interface for developers to manage game logic and application lifecycles. The framework distinguishes itself through a high-performance architecture that prioritizes efficiency and native interoperability. It utilizes a batch-oriented graphics pipelin