Open-source alternatives to Grid

This library is a high-performance data grid component for React applications, designed to manage and display large datasets. It provides a declarative configuration system that allows developers to define table structures, data sources, and feature toggles through a structured object schema. The library distinguishes itself through a flexible layout engine that supports complex UI requirements, such as pinning headers and specific columns to viewport edges during scrolling. It utilizes virtualized rendering to maintain interface responsiveness by displaying only the visible subset of data, e

react-data-grid is a high-performance table component for React designed to render large datasets using virtualization. It functions as a virtualizing data table that optimizes memory and performance by rendering only the rows and columns currently visible on the screen. The project provides a customizable spreadsheet interface featuring cell editing, column resizing, and pinned rows. It also acts as a hierarchical data grid, supporting row grouping and tree structures to organize complex nested information. The grid covers wide-ranging data management and display capabilities, including mul

This project is a React data table component integrated with shadcn/ui. It provides a set of tabular data grids that support sorting, filtering, and pagination. The implementation includes a virtualizing data grid and an infinite scroll table, which allow for the rendering of large datasets by loading records incrementally or displaying only the items visible in the viewport. It also functions as a real-time collaborative table, enabling multiple users to manage and edit shared datasets simultaneously. The component covers interactive data management and complex data visualization. This incl

react-data-grid is a high-performance tabular interface for rendering and manipulating large datasets within a React application. It functions as a virtualized data table and editable spreadsheet component that supports hierarchical data grids with expandable and collapsible row groupings. The component maintains performance with massive datasets by rendering only the rows and columns currently visible in the viewport. It provides spreadsheet-like data manipulation, including cell editing and the ability to copy, paste, or drag values between cells. The grid supports advanced layout capabili

Reui is a React UI component library and front-end framework distributed under the MIT license. It provides a collection of reusable, pre-built React components for building modern web application interfaces. The library is built on a component-based architecture that uses declarative rendering through JSX, with state management handled by React Hooks. It employs CSS Modules for scoped styling and Tailwind CSS for utility-first styling, while TypeScript provides static type checking across the codebase. The project organizes components using a file-based structure and uses a module bundler bu

This project is a collection of practical code samples and demonstrations for building user interfaces with React. It serves as a set of examples illustrating common interface patterns, state management techniques, and the implementation of modular, reusable components. The repository provides specific demonstrations for several core development areas. These include samples for retrieving and rendering asynchronous data from external APIs, managing component lifecycles during mounting and unmounting, and handling internal state to sync form inputs. It also includes guides for direct document

Primitives is a library of unstyled, accessible building blocks designed for creating complex interface elements in React. It functions as a headless component framework, providing the underlying logic, state management, and accessibility compliance while leaving all visual styling and design decisions entirely to the developer. The library distinguishes itself through a composition-based architecture that allows developers to build interactive interfaces by nesting small, single-purpose components. This system automatically handles complex requirements such as WAI-ARIA attribute injection, f

Glide Data Grid is a virtualized data grid for React and TypeScript that uses the HTML Canvas API to render millions of cells smoothly. It is designed as an accessible data table that maintains high frame rates when displaying and navigating massive datasets. The project distinguishes itself through a canvas-based rendering architecture that utilizes lazy rendering and a custom drawing API. This allows for specialized cell content and data-driven styling that bypasses standard DOM update cycles to ensure high performance. The grid provides comprehensive layout and data management capabilitie

Fixed-data-table is a React component library designed for rendering large datasets within structured, scrollable grid interfaces. It functions as a virtualized table, optimizing performance by rendering only the rows currently visible within the viewport. The library distinguishes itself through its focus on maintaining context during navigation, utilizing fixed-header layouts and synchronized scroll state management. It employs index-based data access to map information to specific grid coordinates, allowing for modular cell customization and flexible column configuration. The component su

React-window is a frontend performance optimization library designed to render large datasets in React applications. It implements virtualization techniques to manage long lists and complex tabular data by dynamically mounting and unmounting elements based on the current viewport. By limiting the number of active document nodes, the library maintains interface responsiveness when handling thousands of data entries. The library distinguishes itself through a focus on efficient layout calculations and scroll-driven reconciliation. It uses absolute positioning and predefined dimensions to determ

Semantic UI React is a declarative component library that provides native React bindings for the Semantic UI design language. It enables the construction of complex user interfaces through a modular, component-based architecture that maps directly to established design patterns, allowing developers to build consistent web application layouts without manual HTML markup. The library distinguishes itself through a shorthand property system that automatically generates and populates nested child components from data objects, significantly reducing the need for verbose code. It also supports polym

This project is a JavaScript spreadsheet component and web-based data table that provides an interactive grid for managing tabular data. It functions as a cross-framework UI component compatible with React, Vue, and jQuery, and can also be embedded as a standalone web component. The grid is specifically designed for XLSX interoperability, allowing users to import and export XLSX files while preserving formulas and styles. It distinguishes itself through real-time collaboration for simultaneous multi-user editing and a flexible system for creating custom cell editors and specialized column typ

Poml is a prompt management framework and templating engine designed for authoring, versioning, and rendering structured prompts for large language models. It uses a semantic markup language to organize prompts into reusable templates, combining them with dynamic context and data to generate formatted inputs. The system distinguishes itself by decoupling core prompt logic from final presentation through a stylesheet-based approach. It provides a dedicated JSON schema output generator to enforce strict, machine-parsable model responses and a configuration interface for managing function tool s

Clusterize.js is a vanilla JavaScript virtual list library and DOM virtualization tool. It enables the display of massive data sets by rendering only the subset of rows currently visible within the user viewport. The plugin operates as a lightweight frontend component without external dependencies or framework requirements. It reduces browser memory usage and DOM load by swapping the content of existing elements rather than rendering thousands of nodes simultaneously. The library focuses on frontend performance optimization and large dataset visualization. It maintains a native scrolling exp

Tabulator is an interactive data table library and virtual DOM data grid used to create high-performance tables from JSON or arrays. It functions as a hierarchical data viewer and a spreadsheet interface component, capable of rendering thousands of records efficiently through viewport-based virtualization and progressive loading. The library distinguishes itself by providing a full spreadsheet interface mode with multi-sheet management, cell range selection, and bulk copy-paste capabilities. It supports complex data architectures, including nested data field mapping, expandable tree structure

React Base Table is a library of reusable interface components designed for building complex, responsive data grids within web applications. It provides a high-performance foundation for rendering large datasets by utilizing window-based row virtualization, which ensures the user interface remains responsive even when displaying extensive collections of data. The library distinguishes itself through flexible layout and navigation capabilities, including support for hierarchical data structures that can be rendered as expandable tree rows. It allows for precise control over table geometry thro

GoJS is a JavaScript diagramming library and canvas-based visualization engine used to build interactive flowcharts, organizational charts, and network diagrams. It functions as a data-driven framework that binds JavaScript data models to visual elements, enabling bidirectional synchronization between the underlying data and the graphical representation. The library features a comprehensive graph layout engine capable of automatically arranging nodes into trees, grids, circles, or force-directed layouts. It distinguishes itself through a template-based system for generating visual parts and a

SlickGrid is a high-performance JavaScript data grid and virtualized data table designed to render large datasets in the browser. It functions as a web spreadsheet component and tabular data manager, utilizing virtual scrolling to maintain responsiveness when displaying hundreds of thousands of entries. The library employs a canvas-based UI system to draw grid lines and elements, reducing the total number of DOM nodes. It separates raw data from visual presentation through column-based mapping and uses a formatter pipeline to transform data values into HTML strings. Capabilities include row

gpui-component is a native desktop UI kit and component library built for the GPUI framework. It provides a collection of reusable user interface elements, a desktop layout engine for organizing application space, and a specialized data visualization library for rendering quantitative information. The project is distinguished by its high-performance rendering systems, including a virtualized data grid and list system designed to handle large datasets with low memory overhead. It also features a comprehensive data visualization toolkit for rendering charts, axes, and coordinate scales using li

vxe-table is a high-performance data table component and UI library for Vue, designed for building data-heavy applications. It functions as a virtualized data grid and spreadsheet UI framework capable of rendering millions of rows by mounting only the visible elements of a dataset. The project distinguishes itself through spreadsheet-like functionality, including cell selection, copy-paste support, and the generation of cross-tabulated pivot tables. It also provides specialized tools for managing complex data hierarchies using virtual trees, row grouping, and cell merging. The library covers

React Virtuoso is a React component library for rendering large datasets efficiently through virtualized lists, grids, tables, and chat interfaces. It automatically measures variable-height items at runtime, computes accurate scroll offsets without requiring fixed sizes, and renders only the items within the visible viewport plus a configurable buffer zone. The library manages scroll position through a state machine that tracks direction, position, and anchor items to handle auto-scroll, sticky headers, and bidirectional loading. The library distinguishes itself with specialized components fo

This repository is a comprehensive collection of reference implementations and sample libraries for the Universal Windows Platform. It provides practical examples of how to use Windows Runtime APIs to build cross-device applications, including detailed guidance on XAML-based declarative user interfaces and DirectX-integrated rendering. The project distinguishes itself by providing a wide array of hardware integration suites, covering low-level communication with USB, Serial, I2C, SPI, and GPIO peripherals. It includes specialized implementations for mixed reality holographic rendering, advanc

uPlot is a high-performance canvas time series charting library designed to render millions of data points with high frame rates. It functions as a high-frequency data visualizer and a real-time data stream plotter, utilizing the HTML5 Canvas API to maintain responsiveness when plotting large temporal datasets. The project distinguishes itself as a plugin-based visualization framework that allows for custom renderers to create specialized visuals such as heatmaps and box-and-whisker plots. It also serves as an interactive financial charting tool, specifically supporting OHLC charts, bars, and

This project is a design system component library and adaptive UI framework based on Adobe's Spectrum design system. It provides a collection of accessible React components designed to create consistent user experiences through a standardized set of adaptive and themeable interface elements. The framework features a responsive scale system that automatically optimizes touch targets and component sizing for mobile and desktop contexts. It is built as a tree-shakable library, allowing for the import of only the specific components used to minimize the final JavaScript and CSS bundle size. The

Swiftfin is a native Jellyfin media client for iOS and tvOS. It is a SwiftUI mobile application designed for streaming and browsing movies, music, and shows from a Jellyfin server. The application utilizes native Apple frameworks for hardware-accelerated decoding and includes an AVKit media player. This integration enables system-level color management for HDR to SDR conversion and supports native Apple ecosystem features such as picture-in-picture and external display output. The client provides tools for browsing and managing home media libraries, routing audio wirelessly, and adjusting pl

Arco Design is a React UI component library and design system framework used to build professional web interfaces. It provides a collection of pre-built visual elements and layouts designed to maintain a consistent design language across applications. The system features a token-based theming engine that utilizes hierarchical design variables and CSS variables to enable granular visual customization. This allows for the modification of global and component-level styles through a dedicated theme editor or loader to align the interface with specific brand identities. The framework supports ent

Swift Cross UI is a cross-platform framework for building native user interfaces using a single declarative codebase. It leverages Swift-native language features, such as result builders and property wrappers, to provide a type-safe syntax for defining application layouts and state. The framework automatically reconciles the interface by tracking data changes and updating only the affected parts of the view tree. The project utilizes a platform-specific backend abstraction to map declarative code to native components across multiple operating systems, including macOS, Windows, Linux, iOS, and