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

  • Gen AI apps are built with MongoDB Atlas Icon
    Gen AI apps are built with MongoDB Atlas

    The database for AI-powered applications.

    MongoDB Atlas is the developer-friendly database used to build, scale, and run gen AI and LLM-powered apps—without needing a separate vector database. Atlas offers built-in vector search, global availability across 115+ regions, and flexible document modeling. Start building AI apps faster, all in one place.
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  • Simple, Secure Domain Registration Icon
    Simple, Secure Domain Registration

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    Register or renew your domain and pay only what we pay. No markups, hidden fees, or surprise add-ons. Choose from over 400 TLDs (.com, .ai, .dev). Every domain is integrated with Cloudflare's industry-leading DNS, CDN, and free SSL to make your site faster and more secure. Simple, secure, at-cost domain registration.
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  • 1
    Relaxed is an HTML validation app. as well as a XHTML 1.0 / HTML 4.01 and WCAG 1.0 schema definition written in Relax NG with embedded Schematron. Those expressive languages allow automated validation of many additional restrictions inexpressible by DTD.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 2
    Standard-Sitemap Project
    The Standard-Sitemap Navigator is a Firefox extension to help navigate websites. The webmaster of a site can provide a navigational sitemap in XML, and this extension fetches it and displays it as you visit.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 3
    Helps passing of relevant arguments to Mozilla (Gecko) based applications from a simple, descriptive GUI. Can save these 'Launchlets' to system tray, Start Menu, or Desktop. Simplifies managing multiple profiles, testing extensions, and troubleshooting
    Downloads: 0 This Week
    Last Update:
    See Project
  • 4
    This is an extension for Firefox. You can launch streaming videos from a xul page loaded in firefox. Just select the date and click on one of the available link (editable in a xml file) to see the video in your prefered video player.
    Downloads: 0 This Week
    Last Update:
    See Project
  • The All-in-One Commerce Platform for Businesses - Shopify Icon
    The All-in-One Commerce Platform for Businesses - Shopify

    Shopify offers plans for anyone that wants to sell products online and build an ecommerce store, small to mid-sized businesses as well as enterprise

    Shopify is a leading all-in-one commerce platform that enables businesses to start, build, and grow their online and physical stores. It offers tools to create customized websites, manage inventory, process payments, and sell across multiple channels including online, in-person, wholesale, and global markets. The platform includes integrated marketing tools, analytics, and customer engagement features to help merchants reach and retain customers. Shopify supports thousands of third-party apps and offers developer-friendly APIs for custom solutions. With world-class checkout technology, Shopify powers over 150 million high-intent shoppers worldwide. Its reliable, scalable infrastructure ensures fast performance and seamless operations at any business size.
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  • 5
    MIML is a markup language made in xml. This project includes the browser/rendering engine.
    Downloads: 0 This Week
    Last Update:
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  • 6
    Fixes broken web pages and other internet annoyances, such as "Internet Explorer Only" pages. You can view Microsoft Office Web Components pages, and other inaccessible pages in Firefox! Other features include Symbol-font fix and downloader fix.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 7
    XSLT-Gallery
    This is an XSLT powered gallery system. I designed it to showcase images on a hard drive. All you need are some files and a browser with XSLT 1.0 capabilities.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 8
    new 3d markup language for creating one tool for all 3d CAD data in the world.it is for viewing 3d data without plugins on web and desktop and for creating 3d pdf in one step.
    Downloads: 0 This Week
    Last Update:
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