Open-source alternatives to Vaadin Framework

tui.chart is a statistical charting engine and data visualization library designed to render interactive charts and graphs for complex numerical datasets. It functions as a responsive charting framework capable of producing various statistical representations, including line, bar, scatter, bubble, and treemap charts. The library distinguishes itself through an interactive visualization system that supports synchronized tooltips across multiple charts, range-based zooming, and data series selection. It includes a layout engine that automatically adjusts chart dimensions and animations based on

This project is a comprehensive sample library and implementation guide for ASP.NET Core. It provides a collection of practical examples and projects that demonstrate how to build web applications, RESTful APIs, and high-performance services. The repository focuses on a variety of architectural patterns, including the development of Minimal APIs, contract-first gRPC services, and real-time communication using WebSockets and Server-Sent Events. It includes detailed implementations for user identity and security, such as token-based authentication and CSRF protection. The codebase covers a bro

Karate is an end-to-end testing framework and API test automation tool used to validate REST and SOAP APIs, drive browser interactions, and measure system performance. It functions as a unified solution for executing automated tests across both API backends and web frontends. The framework utilizes a custom domain specific language and Gherkin-style feature mapping to define requests and assertions. It includes an API mocking server to simulate backend responses, enabling development and integration testing without live dependencies. The tool covers a broad range of functional testing catego

Intern is a JavaScript test framework and runner designed for executing unit and functional tests across different environments. It serves as an end-to-end testing tool and cross-browser testing suite to verify that application behavior remains consistent across multiple desktop and mobile web browsers. The project enables automated browser testing by controlling web drivers and utilizing cloud testing services to simulate user interactions. This allows for the automation of functional tests and cross-platform web testing to identify bugs in a web interface. The system provides capabilities

Platform is a framework for building back-office applications and administrative dashboards using Laravel. It functions as a schema-driven UI framework and CRUD generator that automatically constructs database management interfaces, input forms, and validation rules from programmatic model definitions. The project distinguishes itself through a comprehensive backend UI kit that supports advanced data capture, including geographic coordinate mapping, tabular JSON data matrices, and marketing metadata tracking. It features a robust role-based access control system for managing resource visibili

Ace is a responsive admin template and UI component library built on Bootstrap 3. It provides a comprehensive framework for creating administrative dashboards with a grid-based layout system that adapts to various screen sizes. The project features a broad array of pre-styled layouts for administrative interfaces, including specialized page templates for user profiles, email clients, and real-time chat interfaces. It includes a configuration system for adjusting visual presentations through color skins and right-to-left mirroring support. The library covers a wide range of interface capabili

jscamp is a full-stack web development and education project focused on mastering JavaScript, TypeScript, and AI integration. It provides a structured curriculum and interactive exercises covering language fundamentals, frontend engineering, and backend API development. The project distinguishes itself through the implementation of autonomous AI agents capable of complex task automation, such as modifying files, managing servers, and executing API calls. It includes advanced AI development tools for conversational querying, real-time code suggestions, and automated repository analysis to gene

This project is a pre-configured architecture and development environment designed for building large-scale single page applications using the Vue framework. It serves as an enterprise application template that provides a structured project foundation and opinionated directory layouts for professional-grade software development. The boilerplate streamlines the development workflow through a Vue CLI build configuration that includes automated component imports and global style injection. It further optimizes project organization by implementing alias-based module resolution to simplify file re

ngx-bootstrap is a set of Bootstrap-styled UI widgets and components built specifically for the Angular framework. It provides a library of reusable interface elements designed to work with the Angular Ivy compilation and rendering engine. The library enables the integration of Bootstrap components into Angular applications to create responsive user interfaces without requiring manual CSS or JavaScript. It replaces the need for jQuery by using Angular directives for state management and an adaptive positioning engine for floating elements. The component set covers a wide range of interactive

Evilcharts is a data visualization library and animated charting framework designed to render interactive data graphics. It functions as a responsive data graphics engine that transforms raw data sets into visual formats such as bars, lines, and pies. The project focuses on interactive data visualization by incorporating motion triggers and visual transitions. It provides tools for custom chart styling to align visual effects and colors with specific brand guidelines and design requirements. The engine manages responsive data dashboards through automatic layout scaling to maintain consistenc

This is the comprehensive documentation website for the Vue 2 progressive JavaScript framework. It serves as a technical reference and development guide for building reactive user interfaces and single-page applications. The site provides a detailed JavaScript API reference and a web component directory. It covers the implementation of component-based architectures, reactive state management, and the use of a virtual DOM to synchronize application state with the browser. The documentation details capabilities including client-side routing, declarative DOM manipulation, and frontend build opt

This project is a pre-configured build template for Vue.js applications using Webpack. It provides a structured project boilerplate and a frontend build pipeline designed to bootstrap development environments and compile application code into distributable bundles. The template includes a development environment with hot module replacement, error overlays, and source maps to allow for instant updates in the browser without losing application state. It also features a project generator that establishes folder structures and configurations for routing, linting, and testing. The build system co

This project is a boilerplate for Chrome extension development, utilizing React and Vite to build custom functionality and user interfaces for web browsers. The development workflow emphasizes fast iteration through hot-reload capabilities and module rebuilding, which reflect code changes in the browser without manual reloading. It includes a type-safe internationalization system for managing multi-language support and automated end-to-end testing to verify feature stability across different browser packages. The architecture provides a component-based framework for creating popups, options

Vue is a progressive, component-based JavaScript framework designed for building reactive user interfaces and single-page applications. It centers on a declarative template system that transforms HTML into efficient render functions, allowing developers to organize complex interfaces into isolated, reusable units that synchronize automatically with application state. The framework distinguishes itself through a dependency-tracking reactivity system that monitors data access during rendering to trigger precise updates. It provides a flexible architecture that supports both incremental adoption

Maestro is a declarative mobile and web UI automation framework designed for end-to-end testing. It operates by querying the native accessibility tree of an application, allowing for black-box testing without requiring source code instrumentation or platform-specific dependencies. The framework distinguishes itself through a unified command syntax that abstracts interactions across Android, iOS, and web environments. It features a dynamic synchronization engine that automatically pauses test execution to account for non-deterministic animations and network-dependent content loading, ensuring

Blur Admin is an AngularJS and Bootstrap framework for building responsive administrative dashboards. It provides a set of grid-based templates and predefined layout components designed to create high-resolution management interfaces that adapt to different screen sizes. The framework includes a Sass-based theme engine that allows for the customization of visual appearances, color schemes, and brand identity through a central set of style variables. It specifically features a blur theme effect that applies translucent backgrounds and blurred effects across the interface. The system covers da

JimuReport is an open-source reporting and dashboard engine designed to be embedded directly into Spring Boot applications. Its core identity centers on generating data reports and full-screen dashboards from natural language descriptions, eliminating the need for manual design. The platform also provides a conversational query interface that translates plain-language questions into database queries, returning results as tables and charts without requiring SQL knowledge. What distinguishes JimuReport is its integration of AI skills that can be installed with a single command, enabling report

This project is a Model Context Protocol server that enables large language models to generate and render data visualizations, charts, and diagrams. It functions as a toolset for AI assistants to transform raw data into professional visual representations. The server utilizes an intelligent selection layer to determine the most effective visualization format based on the provided data. It supports remote rendering via external HTTP services and provides the flexibility to route requests to self-hosted rendering endpoints for private network environments. Capabilities cover a wide range of da

Ant Design Charts is a data visualization framework and declarative component library designed for React applications. It provides a collection of reusable components that map complex datasets to graphical representations, enabling the creation of interactive charts, plots, and maps within web interfaces. The library utilizes a grammar-based mapping system to transform raw data into visual properties, supported by a layered graphic abstraction that separates data representation from interactive elements. It employs a canvas-based rendering engine to maintain performance when handling large da

dc.js is a multi-dimensional analysis tool and visualization framework used to build interactive data dashboards. It functions as a charting library that renders diverse SVG visualizations powered by D3 and integrates natively with Crossfilter to enable coordinated filtering across large datasets. The project is distinguished by its linked-view coordination, where selecting a data range or category in one chart simultaneously updates all other connected views. This allows for dynamic data exploration through dimensional chart linking and coordinated brushing, transforming raw datasets into na

Firefox is a cross-platform web browser engine designed to render web content, execute JavaScript, and manage secure browsing sessions. It utilizes a multi-process isolation architecture that distributes browser tasks across independent operating system processes to ensure stability and prevent site-specific failures from impacting the entire application. The engine incorporates a sandboxed execution environment to restrict web content and untrusted scripts to isolated memory compartments, enforcing security policies that prevent unauthorized access to system resources. The project distinguis

Stagehand is an AI-native browser automation framework that enables developers to build reliable web automations using a hybrid of natural language instructions and deterministic TypeScript code.

Filament is a full-stack framework for building administrative panels and management interfaces within the Laravel ecosystem. It provides a declarative, component-based architecture that allows developers to construct complex, data-driven applications using server-side configuration objects rather than manual HTML. By inspecting database model structures and relationships, the framework automates the generation of CRUD interfaces, forms, and data tables, significantly reducing boilerplate code. The project distinguishes itself through a highly modular and extensible design that supports custo

eShop is a .NET microservices reference application that provides a comprehensive blueprint for a distributed retail system. It implements an e-commerce architecture using decoupled services to manage core operations such as product catalogs, shopping baskets, and order processing. The project demonstrates a cloud-native retail infrastructure that incorporates an asynchronous event bus system to synchronize state across distributed services. It includes a reference implementation for integrating generative AI features by connecting the store to large language models via cloud providers. The

GF is a comprehensive Go application toolkit and web framework. It provides a set of libraries and tools for building scalable web applications, APIs, and enterprise-level software. The project features a driver-agnostic SQL database toolkit with a query builder and object mapper, alongside a dedicated framework for creating structured command line interfaces. It includes a project scaffolding tool to bootstrap application structures and automate development workflows. The toolkit covers several broader capability areas, including concurrent data management with thread-safe collections, cryp

Reactpy is a Python web component framework and server-side UI library used to build interactive web interfaces. It allows for the creation of structured web layouts and visual logic within Python, removing the requirement to write client-side JavaScript. The framework utilizes a component-based model with reactive state management, where the user interface automatically updates in response to changes in the underlying Python state. It employs a virtual-DOM diffing process and WebSocket-based syncing to push real-time updates from the server to the browser. The system functions as an integra