22 projects for "responsive html builder" with 2 filters applied:

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  • 1
    Bootstrap

    Bootstrap

    HTML, CSS and JS framework for developing responsive websites and apps

    Bootstrap is an HTML, CSS, and JS framework designed for developing responsive, mobile first projects on the web. It's one of the most popular front-end frameworks and for good reason: it simply makes web development faster and easier. People of all skill levels can create projects of all sizes with Bootstrap, and for all types of devices too. With Bootstrap, you get a host of nifty features such as precompiled CSS, impressive scalability, dozens of custom HTML and CSS components and more.
    Downloads: 23 This Week
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  • 2
    Vanilla Framework

    Vanilla Framework

    From community websites to web applications, this CSS framework

    Backed by open-source code and written in Sass by the Canonical Web Team. Vanilla contains a responsive CSS grid, basic style for HTML elements and a selection of key useful patterns and utility classes that you can extend. Designed to be composable, you can include the whole framework to avail of all styles or you can use only what you need for your project. Anyone can contribute to Vanilla, improve it and extend it. All the code is available on GitHub and is licensed under LGPLv3 by Canonical.
    Downloads: 1 This Week
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  • 3
    Marx

    Marx

    The classless CSS reset (perfect for Communists)

    ...If you don't need the weight of heavy frameworks or you would just like to make an edible website quickly, Marx is perfect for you. It can be used out of the minified box but it can also be customized and styled through the use of HTML classes. Built atop of Sanitize.css, meaning all browsers render consistently. Responsive and mobile-friendly. Clean, beautiful typography. Forms, tables, buttons and navigation. Zero classes, so it already works with your HTML. Drop-dead gorgeous.
    Downloads: 0 This Week
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  • 4
    MJML 4

    MJML 4

    The only framework that makes responsive-email easy

    MJML is a markup language created by Mailjet and designed to reduce the pain of coding a responsive email. Its semantic syntax makes the language easy and straightforward while its rich standard components library shortens your development time and lightens your email codebase. MJML’s open-source engine takes care of translating the MJML you wrote into responsive HTML.
    Downloads: 0 This Week
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  • 5
    Instatic

    Instatic

    The open-source alternative to Webflow, Framer and WordPress

    Instatic is a self-hosted visual content management system that combines editing, content, publishing, media, authentication, and forms in one Bun server. Its canvas supports responsive breakpoint editing, reusable components, templates, loops, design tokens, and structured content collections. An AI agent can build or modify editable page nodes using OpenAI, Claude, OpenRouter, or local Ollama models. Publishing generates semantic HTML and compact CSS, with static pages written to disk instead of shipping the editor runtime to visitors. ...
    Downloads: 0 This Week
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  • 6
    Kobweb

    Kobweb

    A modern framework for full stack web apps in Kotlin

    Kobweb is an opinionated Kotlin framework for creating websites and web apps, built on top of Compose HTML and inspired by Next.js and Chakra UI. While Kobweb is still pre-1.0, it has been usable for a while now. It provides escape hatches to lower-level APIs, so you can accomplish anything even if Kobweb doesn't support it yet. Please consider starring the project to indicate interest, so we know we're creating something the community wants.
    Downloads: 0 This Week
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  • 7
    royale-asjs

    royale-asjs

    Apache Royale ASJS

    Apache Royale is an open-source compiler and framework that converts ActionScript 3 and MXML code into JavaScript, enabling Flash/Flex developers to build modern web apps using familiar tools. It offers cross-compilation, component libraries, and skinning systems while generating lightweight and responsive HTML5 apps. Royale helps migrate legacy Flash projects or build new web UIs with a declarative approach.
    Downloads: 0 This Week
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  • 8
    ToolJet

    ToolJet

    Extensible low-code framework for building business applications

    Extensible low-code framework for building business applications. Connect to databases, cloud storages, GraphQL, API endpoints, Airtable, etc and build apps using drag and drop application builder. Built using JavaScript/TypeScript. Everything you need to build internal tools. Open-source low-code application development platform for building and deploying business applications. Build complicated frontends without any experience in React, CSS or event HTML. Drag and drop 35+ in-built UI components to build even complicated frontends. ...
    Downloads: 10 This Week
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  • 9
    Lapis

    Lapis

    A web framework for Lua and OpenResty written in MoonScript

    Lapis is a framework for building web applications in Lua (or MoonScript) that primarily targets OpenResty, a high-performance web platform that runs on a customized version of Nginx. Lapis can also be used in other server environments, being compatible with any modern version of Lua. With OpenResty, Lua is run directly inside of the Nginx worker using LuaJIT, giving you the smallest barrier between the webserver and your code. Have a look at Web Framework Benchmarks just to see how...
    Downloads: 0 This Week
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  • 10
    Trame

    Trame

    Weave various components and technologies into a Web App

    Developed by Kitware, trame is a Python-based framework that allows developers to create web applications with desktop-like functionality. It enables the integration of various components and technologies, such as VTK and ParaView, into web applications written entirely in Python. With best-in-class platforms at its core, trame provides complete control of 3D visualizations and data processing. Developers benefit from a write-once environment from trame. trame is an open source project...
    Downloads: 0 This Week
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  • 11
    Polyglot Formatter

    Polyglot Formatter

    Multi-language code formatter with automatic language detection

    ...With a modern editor interface, responsive design, and one-click clipboard integration, it is ideal for quickly cleaning up source code, debugging formatting issues, and improving code consistency across multiple languages.
    Downloads: 0 This Week
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  • 12
    Neiki's Charts

    Neiki's Charts

    Lightweight SVG chart Web Component

    Neiki's Charts is a lightweight SVG chart library built as a native Web Component. Drop a single script tag into any HTML page and get four chart types — Line, Bar, Pie, and Scatter — with no build step, no framework, and zero dependencies. CSS is bundled automatically, so one file is all you need. The component uses Shadow DOM for style encapsulation and fits cleanly into any project without CSS conflicts. Charts are fully responsive, support light and dark themes with automatic prefers-color-scheme detection, and expose a simple JS API for data and options. ...
    Downloads: 0 This Week
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  • 13
    Neiki's Code Editor

    Neiki's Code Editor

    Lightweight embeddable code editor Web Component with syntax highlight

    Neiki's Code Editor is a lightweight embeddable code editor built as a native Web Component using vanilla JavaScript. It runs without dependencies or build tools and can be dropped into any website via a single script tag. The editor provides a modern development experience with syntax highlighting, themes, line numbers, search, auto-indentation, and fullscreen support. Designed for flexibility and performance, it uses Shadow DOM for style isolation and supports multiple languages...
    Downloads: 0 This Week
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  • 14
    Neiki's Gallery

    Neiki's Gallery

    Vanilla JavaScript image gallery & lightbox

    ...It provides a highly customizable experience for modern web projects, combining performance, flexibility, and rich UI interactions. Designed for both developers and end users, it supports responsive layouts, advanced lightbox features, touch and keyboard navigation, lazy loading, and seamless media handling including images and video. The library is modular and extensible, offering plugins, event hooks, and deep customization through JavaScript or HTML data attributes. It is optimized for performance, accessibility, and large-scale galleries while maintaining smooth animations and a modern visual style.
    Downloads: 0 This Week
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  • 15
    Laravel Craftable

    Laravel Craftable

    Admin panel builder / CRUD generator for Laravel

    Hi Crafter, welcome to the official documentation for Craftable 6 - a Laravel-based open-source toolkit for building administration interfaces. It's an administration area minimalistic template. A starting point for developing back-office systems, intranets, or CMS systems. Craftable is a Laravel-based open-source toolkit for building administration interfaces. It ships with a powerful CRUD generator to speed up the development of your CMS, CRM or other back-office system.
    Downloads: 0 This Week
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  • 16
    AndServer

    AndServer

    Web server and web framework of Android platform

    AndServer is an embedded HTTP server, web framework, and reverse proxy designed for Android applications. It can host static HTML sites directly from a device or expose dynamic HTTP APIs. Its annotation model resembles Spring MVC, including controllers, route mappings, path variables, query values, and request parameters. Developers can configure ports, timeouts, listening addresses, socket factories, and SSL contexts through a builder API. Request objects expose local and remote connection details for application logic and diagnostics. ...
    Downloads: 3 This Week
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  • 17
    Water.css

    Water.css

    A drop-in collection of CSS styles to make simple websites

    water.css is a “classless” CSS framework that instantly beautifies plain HTML without adding custom classes to your markup. By targeting native HTML elements—headings, paragraphs, forms, tables, and buttons—it applies sensible defaults for spacing, typography, and contrast, producing a clean, readable layout out of the box. The stylesheet is intentionally small and dependency-free, making it a convenient drop-in for prototypes, documentation, and minimalist sites where heavy frameworks are...
    Downloads: 0 This Week
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  • 18
    Propeller

    Propeller

    Develop more, Code less. Propeller is a front-end responsive framework

    Propeller is a front-end responsive framework based on Google’s Material Design Standards & Bootstrap. Library with 25 Responsive UI Components. Ready to use template which speeds up the Development process. Detailed User Manual which provides step by step usage for every Propeller component. The downloaded folder will have following directories and files, with a logical grouping of common assets including both compiled and minified versions. Just copy the compiled CSS and JS files and the...
    Downloads: 0 This Week
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  • 19
    Galen Framework

    Galen Framework

    Layout and functional testing framework for websites

    Automated testing of the look and feel of your responsive websites. Layout testing seemed always a complex task. Galen Framework offers a simple solution: test the location of objects relative to each other on the page. Using a special syntax and comprehensive rules you can describe any layout you can imagine. Galen Framework runs well in Selenium Grid. You can set up your tests to run in a cloud-like HeadSpin, LambdaTest, Sauce Labs, or BrowserStack so that you can even test your responsive...
    Downloads: 0 This Week
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  • 20
    Framevuerk

    Framevuerk

    Fast, Responsive, Multi Language, Both Direction Support

    Framevuerk is an archived Vue.js-based UI framework created for building fast, responsive, configurable web interfaces. It was designed without external dependencies beyond Vue and focuses on practical component-based application layouts. The framework supports both left-to-right and right-to-left interface directions, making it useful for multilingual products and internationalized user experiences. It also includes customization options for language, direction, colors, spacing, transitions, shadows, and other visual settings through a builder configuration. ...
    Downloads: 0 This Week
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  • 21
    Sequence.js

    Sequence.js

    The responsive CSS animation framework for creating unique sliders

    Sequence.js is a responsive CSS animation framework created for building interactive sliders, presentations, banners, and other step-based web applications using mostly HTML and CSS. Instead of relying heavily on JavaScript animation logic, the framework controls transitions through CSS class states such as seq-in and seq-out, allowing developers to use familiar front-end workflows and native browser rendering capabilities.
    Downloads: 0 This Week
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  • 22
    MythCore

    MythCore

    Myth Framework Core Libraries (part of MythSDP)

    MythCore is a PHP framework that allows the developer to use a C# .NET like object oriented programming approach. It provides the essential classes that the MythSDP platform and the MythFramework builds upon. The goal is to create a library that enables the programmer to use a fully object oriented approach that has the "feel" of .NET and Java programming. Our main goal is ease of use and rapid application development. However, performance and small-footprint are some of the main design...
    Downloads: 0 This Week
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