Open-source alternatives to Leva

go-admin is a framework for generating administrative interfaces and data visualization dashboards using the Go programming language. It functions as a low-code dashboard builder and a web-based interface for performing create, read, update, and delete operations across multiple SQL database dialects. The project features a deployment model that compiles backend logic and frontend assets into a single executable binary for simplified distribution. It includes a role-based access control system to manage user permissions and restrict administrative functions based on assigned roles. The frame

This library provides a set of tools for formatting numeric values and masking user input within React components. It includes a customizable text input wrapper that synchronizes raw numeric values with formatted display strings and a specialized input masking component for enforcing string patterns and templates during data entry. The project features a localized number formatter that utilizes browser localization APIs to apply regional grouping, prefixes, and suffixes. It supports specialized financial formatting, such as displaying negative values in parentheses, and provides the ability t

JSON Editor is a schema-driven UI framework and web-based editor used to generate interactive forms and validate JSON data. It translates JSON Schema specifications into a hierarchy of HTML form elements, allowing users to manipulate complex JSON structures through a structured interface rather than raw text. The framework differentiates itself through a plugin-based extension system that supports custom resolver functions and the integration of specialized editors, such as WYSIWYG, Markdown, and syntax-highlighted code editors. It employs recursive schema resolution to handle nested definiti

Formtastic is a Ruby on Rails form builder that provides a domain-specific language for generating semantically rich and accessible HTML forms. It functions as a model-driven framework that automatically maps database schema attributes and associations to corresponding input fields, streamlining the creation of data entry interfaces. The framework distinguishes itself through a hierarchical lookup system that manages internationalized labels, hints, and action buttons across different model and attribute namespaces. It also supports complex data relationships by recursively processing nested

This project is a JSON-based form rendering framework and visual creator designed for dynamic data collection. It provides a JavaScript form builder library that transforms JSON schemas into functional web forms and multi-step wizards, with a dedicated visual survey creator for designing layouts and branching logic without writing code. The library is distinguished by its bidirectional PDF integration, which allows the conversion of JSON schemas into fillable PDF documents and the extraction of structured data from existing PDFs. It also features advanced capabilities for creating scored asse

Formtastic is a Ruby on Rails plugin designed to automate the creation of semantic and accessible web forms. By mapping database models directly to form fields, the library generates structured HTML markup that adheres to accessibility standards, ensuring that labels and inputs are correctly associated for assistive technologies. The library utilizes a domain-specific language to abstract complex form structures into concise method calls. It distinguishes itself through a metadata-driven approach that inspects database schemas and validation rules to automatically select appropriate input typ

Trumbowyg is a lightweight JavaScript WYSIWYG editor used to create and format rich-text and HTML content directly within a web browser. It serves as a client-side tool for generating semantic HTML markup and authoring web content. The project features a modular, plugin-based architecture that allows for the addition of new formatting commands and toolbar buttons. It provides a configurable interface where the toolbar layout can be customized via a predefined array and labels can be translated through localization files. The editor covers a wide range of content manipulation capabilities, in

jQuery Knob is a rotatable dial UI widget for web pages that translates circular drag movements into numerical values. It is a touch-enabled input component rendered via the HTML5 canvas API, providing a graphical interface for numerical data entry through the jQuery library. The component is highly customizable, allowing for adjustments to colors, fonts, rotation constraints, and arc dimensions. It supports a variety of interaction methods, including mouse, mousewheel, keyboard, and touch events. The widget includes systems for managing input constraints such as minimum and maximum values a

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

Qor is a Go admin framework and backend toolkit used for building administrative interfaces, headless content management systems, and REST API generators. It provides a structured environment for implementing business application backends, specializing in the management of structured content and media assets. The project distinguishes itself through comprehensive multi-language content management, featuring locale-based data versioning and a dedicated system for internationalization and translation administration. It further differentiates its offering with a built-in state machine implementa

Vendure is a Node.js e-commerce engine and headless commerce framework built with NestJS and TypeScript. It serves as a multi-channel commerce platform that manages product catalogs, orders, and customers via a strongly typed GraphQL API. The platform is distinguished by its highly extensible architecture, featuring a customizable administrative dashboard where developers can inject custom React components and entity views. It supports multi-channel commerce, allowing the isolation of products, currencies, and regional catalogs from a single unified backend. The engine covers a broad range o

Mixitup is a dependency-free DOM element animation library and grid layout engine. It serves as a client-side content filter and data-driven UI controller designed to manage the smooth visual transition of HTML elements during insertion, removal, and sorting operations. The system specializes in creating interactive gallery interfaces and dynamic content filtering. It allows for the reorganization of elements using custom attributes or random sequences, while synchronizing the arrangement and visibility of interface elements with an underlying data model. Beyond filtering and sorting, the li

Twill is a Laravel CMS toolkit and admin panel generator designed for building custom administrative consoles and content management systems. It serves as a headless CMS framework and a toolkit for defining content models and managing structured data through a dedicated administrative interface. The project features a visual block editor that allows publishers to arrange and configure reusable content sections via a drag-and-drop interface. It includes a dedicated digital asset manager for storing, cropping, and optimizing images and files across local or cloud storage, as well as a multiling

InvenTree is an open-source inventory management platform built on Django, designed for tracking parts, stock levels, and supply chain operations through a web interface and REST API. The system uses barcodes—including QR codes, 1D barcodes, and Data Matrix codes—as primary identifiers for scanning, linking, and triggering inventory actions, and extends core functionality through a Python plugin framework supporting custom actions, UI panels, barcode handlers, and scheduled tasks. The platform distinguishes itself through a comprehensive plugin-based extensibility system that allows custom in

maptalks.js is a JavaScript map rendering library and web map interaction framework used to render interactive 2D and 3D geographic data on a web canvas. It functions as a 3D geospatial engine supporting 3DTiles and GLTF formats, a GeoJSON visualization tool, and a spatial analysis library. The project distinguishes itself through high-performance rendering and dynamic geospatial animation, including the ability to simulate traffic flow and execute smooth visual transitions for map elements. It provides comprehensive tools for interactive geometry editing, allowing users to draw and modify ve

Nuxt UI is a comprehensive Vue component library built for the Nuxt ecosystem, providing over 125 production-ready, WAI-ARIA compliant components for building modern web applications. The library offers a complete design system with Tailwind CSS theming, supporting dark mode, custom color palettes, semantic color aliases, and runtime theme switching through CSS design tokens. It includes built-in internationalization for over 50 languages, server-side rendering compatibility, and a Figma kit that mirrors the code components for design-to-development consistency. The library distinguishes itse

Quarkus is a Kubernetes-native Java framework designed for building high-performance, memory-efficient applications. It utilizes ahead-of-time native compilation to transform Java code into standalone, optimized binaries that eliminate the need for a virtual machine, enabling rapid startup and reduced memory consumption. By performing code augmentation during the build phase, it shifts heavy processing tasks away from runtime, ensuring that applications are optimized for cloud-native environments. The framework distinguishes itself through a unified approach to reactive and imperative program

Ark is a headless UI component library that delivers accessible, cross-framework primitives with behavior governed by finite state machines. It provides unstyled components that encapsulate logic and accessibility — including full keyboard navigation, focus management, and WAI-ARIA support — while leaving visual styling entirely to the consumer. Components expose scoped data attributes for CSS targeting and use state machines to produce predictable, testable interactive behavior across every state transition. The library distinguishes itself through a state propagation model that distributes

Pts is a TypeScript creative coding library and data visualization framework designed for building generative art and interactive visuals. It functions as a multi-target graphics engine that outputs visual commands to HTML5 Canvas and SVG through a single unified interface. The toolkit serves as a linear algebra visualization tool, providing mathematical primitives for spatial transforms and geometric calculations. This allows for the creation of algorithmic patterns and the simulation of geometric behaviors. The framework covers a broad capability surface including the design of interactive

Cinder is a C++ creative coding library and native graphics toolkit designed for developing professional interactive media and visual art. It serves as a cross-platform multimedia framework for generating high-performance generative digital art and real-time visual rendering. The framework provides a professional suite of tools for building hardware-integrated installations and cinematic visuals. It focuses on real-time graphics programming and the production of high-quality graphics for professional displays. The library includes a cross-platform abstraction layer and a modular architecture

Tweaks is a runtime utility interface for modifying application variables, executing debug routines, and fine-tuning visual parameters on iOS platforms. It functions as a parameter tuner and debugging tool that allows for the adjustment of app behavior without restarting the application. The project provides a dynamic configuration UI, accessible via shake gestures, to modify animation timings, colors, and logic parameters in real time. It enables the execution of global debug actions and the overwriting of hardcoded constants with values from a persistent configuration store. The system cov

css-doodle is a web component for creative coding that renders live CSS-generated patterns and animations directly in the browser. It creates generative art and visual patterns by applying CSS rules to a grid of cells, using the browser's native layout engine for positioning and styling. The component encapsulates its pattern canvas and styling within a custom element's shadow DOM, isolating it from page styles and enabling reusable instances. The tool distinguishes itself by driving pattern configuration through CSS custom properties, allowing dynamic style changes and real-time updates with

Nannou is a creative coding framework for Rust designed for building interactive visual and audio sketches. It provides a loop-based API with hardware-accelerated 2D and 3D rendering, serving as a toolkit for generative art production and multimedia installation design. The framework is distinguished by its comprehensive hardware communication interface, which bridges software with physical devices via MIDI, OSC, DMX, serial, and laser DAC protocols. It also includes specialized projection mapping tools for warping visual output to fit non-standard physical surfaces and a dedicated GPU shader

This project is a creative software framework and procedural graphics toolset designed for building custom graphics, sound, and user interface software. It functions as a development environment that provides integrated project and dependency management for creating technical multimedia productions. The system serves as a historical source archive, preserving the code and assets used in technical creative productions from 2001 to 2011. It includes a media production bundler to package source code and assets into single executable distributions for end users. The framework covers a broad rang

This project is a self-hosted forum software and extensible community platform designed to facilitate online discussions and member engagement. It functions as a REST API discussion engine, providing a backend that manages community interactions and forum data via a standardized JSON interface for external applications. The platform is distinguished by a modular architecture that allows for deep customization through a package-based extension system and an interface extension framework. It employs an extender-based customization model, enabling external modules to modify internal system behav

Snowflake is a cross-platform mobile app starter designed for building iOS and Android applications using a single JavaScript codebase. It provides a pre-configured boilerplate to accelerate the initial development process for mobile applications. The project includes a Redux state management template for coordinating global application state and persisting user sessions, along with a REST API integration framework for communicating with remote or local servers via HTTP requests. It also features a localization system that maps user interface content into multiple languages based on the devic

PlotJuggler is an interactive time series visualization tool that loads, streams, and renders large datasets using hardware-accelerated OpenGL graphics. It functions as a multi-format data loader, supporting file formats such as CSV, ULog, and ROS bags, and also serves as a live data stream viewer that subscribes to real-time sources via MQTT, WebSockets, ZeroMQ, and UDP. The tool distinguishes itself through a plugin-based extensibility platform that allows users to add custom data sources, file formats, and processing capabilities. It includes a Lua scripting engine for creating custom data