Browse free open source Web Development Frameworks and projects below. Use the toggles on the left to filter open source Web Development Frameworks by OS, license, language, programming language, and project status.

  • Build Agents and Models on One Platform Icon
    Build Agents and Models on One Platform

    Everything you need to build production-ready agents and models. Access 200+ Google and third-party AI models and tools.

    Gemini Enterprise Agent Platform is Google Cloud's comprehensive platform for developers to build, scale, govern, and optimize agents and models. Choose from Google's most advanced models and third-party models like Anthropic's Claude Model Family.
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  • MongoDB Atlas runs apps anywhere Icon
    MongoDB Atlas runs apps anywhere

    Deploy in 115+ regions with the modern database for every enterprise.

    MongoDB Atlas gives you the freedom to build and run modern applications anywhere—across AWS, Azure, and Google Cloud. With global availability in over 115 regions, Atlas lets you deploy close to your users, meet compliance needs, and scale with confidence across any geography.
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  • 1
    GoJS

    GoJS

    JavaScript diagramming library for interactive flowcharts & org charts

    Build interactive flowcharts or flow diagrams. Let your users build, modify, and save diagrams with JSON model output. Visualize state charts and other behavior diagrams. Create diagrams with live updates to monitor state, or interactive diagrams for planning. GoJS allows considerable customization of links and nodes to build all kinds of diagrams. Visualize flow, or connect pipes. Create genogram and medical diagrams, or editable family trees with collapsible levels. Create classic org charts for viewing or editing. Automatic layouts make different visualization options easy. Dynamically add ports and custom link routing. Use data-bindings to save and load routes within the Model JSON. Use groups as containers and subgraphs, with group members bound by their own rules and layouts. Model industrial processes, workflows, SCADA diagrams and more.
    Downloads: 2 This Week
    Last Update:
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  • 2

    hummingbird

    The most sensible component system for Tailwind.

    Hummingbird is a component system for Tailwind developers who care about architectural discipline. It ensures global design control with local utility flexibility. Hummingbird is a lightweight, framework-agnostic tool that integrates seamlessly with modern stacks and helps build scalable, maintainable web applications without extra weight.
    Downloads: 2 This Week
    Last Update:
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  • 3
    Includes user defined libraries, plugins, and helpers for the open source PHP web framework CodeIgniter.
    Downloads: 0 This Week
    Last Update:
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  • 4
    D-Parts Web Application Framework
    D-Parts es un framework para Aplicaciones Web, netamente en lenguaje PHP, con acceso a bases de datos MySQL.
    Downloads: 0 This Week
    Last Update:
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  • $300 Free Credits to Build on Google Cloud Icon
    $300 Free Credits to Build on Google Cloud

    New customers can spin up VMs, build with AI, and query data at no cost.

    Put your $300 in credit toward real workloads, then keep building with free monthly usage for 20+ products. No commitment and no charge until you upgrade.
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  • 5
    A small set of tools for use with the Wicket web framework
    Downloads: 0 This Week
    Last Update:
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  • 6
    MEAN

    MEAN

    For simple and scalable fullstack js applications

    The MEAN stack uses Mongo, Express, Angular(6) and Node for simple and scalable fullstack js applications. The mean stack is intended to provide a simple and fun starting point for cloud native fullstack javascript applications. MEAN is a set of Open Source components that together, provide an end-to-end framework for building dynamic web applications; starting from the top (code running in the browser) to the bottom (database). The stack is made up of MongoDB, with document database, used by your back-end application to store its data as JSON (JavaScript Object Notation) documents. Also with Express (sometimes referred to as Express.js), with back-end web application framework running on top of Node.js. As well as Angular (formerly Angular.js), which is a front-end web app framework that runs your JavaScript code in the user's browser, allowing your application UI to be dynamic.
    Downloads: 0 This Week
    Last Update:
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  • 7

    MUG - Java Web Framework

    Lightweight Component-based Java Web Framework

    MUG is a component-based Java Web Framework. Lightweighted and conceived to be easy to use yet flexible, it provides the developer a set of components that allows object-oriented development in a web (in the line of SWT / Swing).
    Downloads: 0 This Week
    Last Update:
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  • 8
    NativeUI

    NativeUI

    The most crossbrowser web UI library that uses native browser elements

    NativeUI is a CSS and JavaScript library that adheres to the KISS principle and focuses on utilizing standard features provided by browsers, which are most optimized for each specific platform, and therefore provide the best performance and user experience. The library ensures cross-browser behavior and styling of built-in browser elements of user interface and text formatting, adding commonly used user interface elements such as modal windows, image viewer, menus, tabs, form messages, etc. It also contains some useful JavaScript functions for development, such as request() and getFormData(). You can see the demo here: https://nativeui.sourceforge.io/
    Downloads: 0 This Week
    Last Update:
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  • 9
    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. Tooltips, legends, animations, and grid lines are all controlled through standard HTML attributes. All rendering is pure SVG — no Canvas — making charts scalable, printable, and inspectable in DevTools. Accessibility is built in with proper ARIA roles, keyboard-navigable legends, and full prefers-reduced-motion support.
    Downloads: 0 This Week
    Last Update:
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  • Build Data Resilience - Take the Assessment Today Icon
    Build Data Resilience - Take the Assessment Today

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  • 10
    Ooui Web Framework

    Ooui Web Framework

    UI library that brings the simplicity of native UI development to web

    Ooui (pronounced weee!) is a small cross-platform UI library for .NET that uses web technologies. It presents a classic object-oriented UI API that controls a dumb browser. With Ooui, you get the full power of your favorite .NET programming language plus the ability to interact with your app using any device. Make sure to add a reference to Ooui before you start running! With just code, a web server that serves the HTML and web socket logic necessary for an interactive button will start. Ooui has been broken up into several packages to increase the variety of ways that it can be used. When the user requests a page, the page will connect to the server using a web socket. This socket is used to keep the server's in-memory model of the UI (the one you work with as a programmer) in sync with the actual UI shown to the user in their browser. This is done using a simple messaging protocol with JSON packets.
    Downloads: 0 This Week
    Last Update:
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  • 11

    TundraCoffee

    Fast but configurable CoffeeScript Web Framework

    A framework/library to accelerate the creation of web sites. It attempts to be fast without sacrificing configurability.
    Downloads: 0 This Week
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  • 12
    WIComponents

    WIComponents

    UI components for apache wicket

    The „wicket components“ project is a component library for the apache wicket web-framework. Referring to classic component libraries for desktop applications ( like Microsoft Foundation Classes, QT Library or wxWindows) the wicket components provide graphical user interface components for wicket web-applications. Based upon this library it'll be easy to create complex user interfaces for data processing applications and it is a perfect start to migrate old desktop applications to modern web-applications. The project is getting bigger and bigger. Your help is greatly appreciated.
    Downloads: 0 This Week
    Last Update:
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  • 13
    django-viewflow

    django-viewflow

    Reusable workflow library for Django

    Viewflow is a lightweight reusable workflow library that helps to organize people collaboration business logic in Django applications. In conjunction with Django-material, they could be used as the framework to build ready-to-use business applications in minutes. Django web framework solves only technical problems related to the client-server interaction on top of the stateless HTTP protocol. Model-View-Template separation pattern helps to maintain simple CRUD-based logic. Viewflow is the library that offers an additional layer of Django web framework, allows explicitly specific people's workflow and extracts collaboration logic from Django views. Business process management and notation standard. It is a graphical notation readily understandable by all business stakeholders and software developers. Viewflow bridges the gap between a picture as the software specification and the working solution.
    Downloads: 0 This Week
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  • 14
    jsf-showcase

    jsf-showcase

    JavaServer Faces (JSF) v.2.2.x showcase, portable web-application.

    JavaServer Faces (JSF) v.2.2.x web-framework showcase. Portable web-application for Java WEB-developers, who use Java Server Faces. Made for convenience - if Internet access suddenly down ). See please excellent projects: https://github.com/liferay/liferay-faces-showcase/ and https://github.com/heroku/webapp-runner/ , also https://mvnrepository.com/search?q=webapp-runner and https://mvnrepository.com/search?q=com.liferay.faces.demo .
    Downloads: 0 This Week
    Last Update:
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