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

  • Our Free Plans just got better! | Auth0 Icon
    Our Free Plans just got better! | Auth0

    With up to 25k MAUs and unlimited Okta connections, our Free Plan lets you focus on what you do best—building great apps.

    You asked, we delivered! Auth0 is excited to expand our Free and Paid plans to include more options so you can focus on building, deploying, and scaling applications without having to worry about your security. Auth0 now, thank yourself later.
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  • Context for your AI agents Icon
    Context for your AI agents

    Crawl websites, sync to vector databases, and power RAG applications. Pre-built integrations for LLM pipelines and AI assistants.

    Build data pipelines that feed your AI models and agents without managing infrastructure. Crawl any website, transform content, and push directly to your preferred vector store. Use 10,000+ tools for RAG applications, AI assistants, and real-time knowledge bases. Monitor site changes, trigger workflows on new data, and keep your AIs fed with fresh, structured information. Cloud-native, API-first, and free to start until you need to scale.
    Try for free
  • 1
    ZK - Simply Ajax and Mobile
    ZK is an open-source Java framework for building modern web and mobile applications. It enables developers to create rich, interactive UIs using only Java — no JavaScript required. With 200+ Ajax-powered components, event-driven architecture, and support for popular technologies like Spring, Java EE, and JSP/JSF, ZK makes it simple to deliver powerful and user-friendly web applications.
    Downloads: 13 This Week
    Last Update:
    See Project
  • 2
    ItsNat is a Component based AJAX Java Web Application Framework.No XML programming,no mixed view/code,no custom JavaScript.Only pure HTML,pure Java and server centric Swing-like programming with W3C standards where "The Browser is The Server"
    Downloads: 3 This Week
    Last Update:
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  • 3
    Facets is a web application framework that leverages a simple MVC architecture for the server side and a feature-packed Javascript component model for the client. The two pieces are designed to be seemlessly integrated for very dynamic AJAX-style apps.
    Downloads: 0 This Week
    Last Update:
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  • 4
    Fire Detector

    Fire Detector

    Detect web framework and javascript libraries run on browsing website

    When you surf the internet with Fire Detector, You can also find more unknown frameworks and libraries. It is based on [LibrarySniffer](https://github.com/justjavac/ChromeSnifferPlus/). I've replaced some deprecated javascript interfaces with asynchronous ones adopted by Firefox for its add-ons --- ### Limitations - WebExtension only works on sites that allow content scripts. With this WebExtension, You can detect:
    Downloads: 0 This Week
    Last Update:
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  • Run applications fast and securely in a fully managed environment Icon
    Run applications fast and securely in a fully managed environment

    Cloud Run is a fully-managed compute platform that lets you run your code in a container directly on top of scalable infrastructure.

    Run frontend and backend services, batch jobs, deploy websites and applications, and queue processing workloads without the need to manage infrastructure.
    Try for free
  • 5
    iOculus is a PHP web application framework (but not a CMS!). The targets of iOculus are simplicity, and high performance. It uses PHP4, XML, and systems/libraries such as PEAR and Smarty. The framework is object-orientated.
    Downloads: 0 This Week
    Last Update:
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