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

  • MongoDB Atlas runs apps anywhere Icon
    MongoDB Atlas runs apps anywhere

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

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    Paessler - Monitor Your Whole Network in Minutes

    Auto-discovery finds your devices and deploys pre-configured sensors instantly. No project plan required, just visibility from day one.

    Waiting weeks for a monitoring rollout isn't an option when infrastructure doesn't stop running. PRTG's auto-discovery scans your network and suggests from over 200 pre-configured sensor types, so you're watching servers, applications and devices within minutes, not after a multi-week deployment. Enterprise-strength monitoring, without the enterprise complexity. Start your free trial today.
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  • 1
    geckodriver

    geckodriver

    WebDriver for Firefox

    geckodriver is an implementation of WebDriver, and WebDriver can be used for widely different purposes. How you invoke geckodriver largely depends on your use case. If you are using geckodriver through Selenium, you must ensure that you have version 3.11 or greater. Because geckodriver implements the W3C WebDriver standard and not the same Selenium wire protocol older drivers are using, you may experience incompatibilities and migration problems when making the switch from FirefoxDriver to geckodriver. Generally speaking, Selenium 3 enabled geckodriver as the default WebDriver implementation for Firefox. With the release of Firefox 47, FirefoxDriver had to be discontinued for its lack of support for the new multi-processing architecture in Gecko. Since geckodriver is a separate HTTP server that is a complete remote end implementation of WebDriver, it is possible to avoid using the Selenium remote server if you have no requirements to distribute processes across a matrix of systems.
    Downloads: 82 This Week
    Last Update:
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  • 2
    miniblink49

    miniblink49

    Lighter, faster browser kernel of blink to integrate HTML UI in apps

    miniblink is an open source, one file, small browser widget based on chromium. By using C interface, you can create a browser with just some line code. miniblink is an open source, single-file, and currently the smallest known chromium-based browser control. Through its exported pure C interface, a browser control can be created in a few lines of code. C++, C#, Delphi and other language calls (support C++, C#, Delphi language to call). Embedded Nodejs, support electron (with Nodejs, can run electron). Customize as you wish, simulate another browser environment. Perfect HTML5 support, friendly to various front-end libraries (support HTML5, and friendly to front framework). After turning off the cross-domain switch, you can use various cross-domain functions (support cross-domain). Headless mode, which greatly saves resources and is suitable for crawlers (headless mode, be suitable for Web Crawler).
    Downloads: 38 This Week
    Last Update:
    See Project
  • 3
    Developed by the Web Technology Group at Appalachian State University, phpWebSite provides a complete web site content management system ( CMS ). All client output is XHTML 1.0 and meets the W3C's Web Accessibility Initiative requirements.
    Downloads: 81 This Week
    Last Update:
    See Project
  • 4
    SingleFile

    SingleFile

    Web Extension for saving a copy of complete web page in a single file

    Web Extension for Firefox/Chrome/MS Edge and CLI tool to save a faithful copy of an entire web page in a single HTML file. SingleFile is a Web Extension (and a CLI tool) compatible with Chrome, Firefox (Desktop and Mobile), Microsoft Edge, Vivaldi, Brave, Waterfox, Yandex Browser, and Opera. It helps you to save a complete web page into a single HTML file. Wait until the page is fully loaded. Click on the SingleFile button in the extension toolbar to save the page. You can click again on the button to cancel the action when processing a page. Open the context menu by right-clicking the SingleFile button in the extension toolbar or on the webpage. It allows you to save the current tab, the selected content, the selected frame. With auto-save active, pages are automatically saved every time after being loaded (or before being unloaded if not). Right-click on the SingleFile button and select "Manage extension" (Firefox) / "Options" (Chrome) to open the options page.
    Downloads: 18 This Week
    Last Update:
    See Project
  • Train ML Models With SQL You Already Know Icon
    Train ML Models With SQL You Already Know

    BigQuery automates data prep, analysis, and predictions with built-in AI assistance.

    Build and deploy ML models using familiar SQL. Automate data prep with built-in Gemini. Query 1 TB and store 10 GB free monthly.
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  • 5
    openvpn-monitor

    openvpn-monitor

    openvpn-monitor is a web based OpenVPN monitor

    openvpn-monitor is a simple Python program to generate HTML that displays the status of an OpenVPN server, including all current connections. It uses the OpenVPN management console. It typically runs on the same host as the OpenVPN server, however, it does not necessarily need to. OpenVPN-monitor is a web-based OpenVPN monitor, that shows current connection information, such as users, location, and data transferred.
    Downloads: 7 This Week
    Last Update:
    See Project
  • 6
    HTMLViewer
    HTML Viewer Components for Delphi, Lazarus and C++Builder The HtmlViewer component set consists of the THtmlViewer, TFrameViewer, and TFrameBrowser components. All three are HTML document display components: THtmlViewer * The basic component. * THtmlViewer displays single (non-frame) documents. * It also forms the basis for the other two components. TFrameViewer * Displays both frame and single HTML documents. * TFrameViewer is oriented more for local file system use. TFrameBrowser * Also displays frame and single HTML documents. * TFrameBrower is oriented for use with local file systems and toward Internet style protocols and URL usage. * Additional code and/or components are generally required to get data from other sources than the local file system. These components Support most of the HTML 4.01 specifications with many additional popular HTML 5 enhancements. Many Cascading Style Sheet properties are also supported.
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    Downloads: 46 This Week
    Last Update:
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  • 7
    WebHarvest - web data extraction tool
    Web data extraction (web data mining, web scraping) tool. It leverages well proved XML and text processing techologies in order to easely extract useful data from arbitrary web pages.
    Downloads: 17 This Week
    Last Update:
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  • 8
    Jericho HTML Parser is a java library allowing analysis and manipulation of parts of an HTML document, including server-side tags, while reproducing verbatim any unrecognised or invalid HTML.
    Downloads: 10 This Week
    Last Update:
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  • 9
    NekoHTML is a simple HTML scanner and tag balancer that enables application programmers to parse HTML documents and access the information using standard XML interfaces.
    Downloads: 6 This Week
    Last Update:
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  • Host LLMs in Production With On-Demand GPUs Icon
    Host LLMs in Production With On-Demand GPUs

    NVIDIA L4 GPUs. 5-second cold starts. Scale to zero when idle.

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  • 10
    AdvancedHtmlDesigner

    AdvancedHtmlDesigner

    Visual HTML table & page designer, PDF export and learning path

    Visual designer for HTML tables and pages, made with Lazarus / Free Pascal: a ready-to-use program for Windows and Linux, and reusable Lazarus components. Includes a learning path of 8 lessons for students and course participants, from a first table to your own web page.
    Downloads: 31 This Week
    Last Update:
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  • 11
    jsoup

    jsoup

    Java library for working with real-world HTML

    jsoup is a Java library for working with real-world HTML. It provides a very convenient API for fetching URLs and extracting and manipulating data, using the best of HTML5 DOM methods and CSS selectors. jsoup implements the WHATWG HTML5 specification, and parses HTML to the same DOM as modern browsers do. jsoup is designed to deal with all varieties of HTML found in the wild; from pristine and validating, to invalid tag-soup; jsoup will create a sensible parse tree. The parser will make every attempt to create a clean parse from the HTML you provide, regardless of whether the HTML is well-formed or not. You have HTML in a Java String, and you want to parse that HTML to get at its contents, or to make sure it's well formed, or to modify it. The String may have come from user input, a file, or from the web.
    Downloads: 1 This Week
    Last Update:
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  • 12
    Decodes CGI data from standard input, $QUERY_STRING , and $HTTP_COOKIE. Stores data in lookup table(s) for easy retrieval. Uploads files by copying directly to files created with mkstemp(). Has several handy string conversion functions.
    Downloads: 6 This Week
    Last Update:
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  • 13
    CSSBox

    CSSBox

    Pure Java HTML / CSS rendering engine

    CSSBox is an (X)HTML/CSS rendering engine written in pure Java. Its primary purpose is to provide a complete information about the rendered page suitable for further processing. However, it also allows displaying the rendered document.
    Downloads: 6 This Week
    Last Update:
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  • 14
    PHP and XML - Syntax Like JQuery
    Very easy manipulation of XML with syntax like jQuery. One small file with lots of power. Highly extensible. Examples and Documentation are on the site. Great for a quick Data Import script.
    Downloads: 10 This Week
    Last Update:
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  • 15
    Free web browser for the Nintendo DS game console
    Downloads: 15 This Week
    Last Update:
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  • 16
    The LAMPAS project is a combination of common Open Source tools that provides a unified system from where administrators, developers and other parties can manage a large application cluster. The underlying platform is LAMP based.
    Downloads: 12 This Week
    Last Update:
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  • 17
    Placeto CMS
    A lightweight, easy to use PHP content management system (CMS). Written to be fast and to use as little memory as possible. Placeto CMS offers browser and server caching, provides gzip compression and to cut down on bandwidth and CPU time.
    Downloads: 4 This Week
    Last Update:
    See Project
  • 18
    JavaScript QR Code

    JavaScript QR Code

    Create and scan QR codes in Firefox, 100% in your browser

    Firefox add-on (desktop and Android) to create beautiful QR codes and scan them, entirely inside the browser: no external server, no account, no ads, no data collected. Wi-Fi, contacts, events, SEPA payments, custom designs verified before download, PNG/SVG export, batch ZIP, camera scanner with warnings on deceptive links. Version 2.0 rewritten from scratch (Manifest V3).
    Downloads: 9 This Week
    Last Update:
    See Project
  • 19
    Cflow2vcg convert the result of the cflow utility in a VCG format. It offers the ability to view graphically the call-graph of sources, and import it in documentation.
    Downloads: 8 This Week
    Last Update:
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  • 20
    Identityflow provides a framework for building protocol flows that perform distributed Identity operations. Examples of Identity Operations are Single Sign-On (SSO) and Attribute queries.
    Downloads: 4 This Week
    Last Update:
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  • 21
    The Little Portal Gizmo is a small Java web application container based on Eclipse plug-ins and the Apache HTTP Core. It uses a custom and very light weight API. The web applications you develop for the Gizmo have the form of Eclipse plug-ins.
    Downloads: 6 This Week
    Last Update:
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  • 22
    deplate is a tool for converting wiki-like markup to latex, docbook, html, or "html-slides". It supports embedded LaTeX code, footnotes, citations, biblographies, automatic generation of an index etc.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 23

    HTML DOM Parser

    HTML parser which can be used for screen-scraping applications

    htmldom parses the HTML file and provides methods for iterating and searching the parse tree in a similar way as Jquery. To report bugs please mail me at bhimsen.pes@gmail.com
    Downloads: 3 This Week
    Last Update:
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  • 24
    Mobirise v5.0 Beta

    Mobirise v5.0 Beta

    Mobirise is an offline web-site builder

    Important: It's an early BETA that's intended for testing purposes only. Currently, the version is available for Windows only, MacOS one is coming soon. Please make sure you have BACKUP copies of all your projects before installing this version. Usually, your projects are stored here: for PC: C:\Users\YourUserName\AppData\Local\Mobirise.com\Mobirise\projects\ for Mac: ~/Library/Application Support/Mobirise.com/Mobirise/projects/
    Downloads: 3 This Week
    Last Update:
    See Project
  • 25
    Show my Password

    Show my Password

    Show passwords as you type + private encrypted password manager

    Show my Password puts a small eye on every password field so you can check what you typed, and (new in 2.1) keeps your passwords in a private encrypted vault on your device: AES-256-GCM with PBKDF2-SHA256 (600,000 iterations), autofill only on the right site, 2FA codes (TOTP), password generator, health check for weak or reused passwords, auto-lock, encrypted backups and CSV import. No account, no server, no tracking: nothing ever leaves your device. Works on Firefox desktop and Firefox for Android. Firefox add-on: https://addons.mozilla.org/firefox/addon/see-my-passwords/
    Downloads: 5 This Week
    Last Update:
    See Project
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