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

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  • 1
    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.
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    Downloads: 15 This Week
    Last Update:
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  • 2
    WebKit .NET
    WebKit .NET is a control library wrapper for WebKit written in C#. The aim is to make it easy for users to incorporate WebKit into their .NET applications.
    Downloads: 8 This Week
    Last Update:
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  • 3
    Mozilla Widget for Java Swing
    Downloads: 5 This Week
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  • 4
    Greasemonkey Port

    Greasemonkey Port

    Greasemonkey Port for the SeaMonkey Browser

    Please note that there are no guarantees that XPI installations will work in advertised minVersion and maxVersion. Farby did include some basics for SeaMonkey however a few things seem to be missing. The current HEAD here will probably not work directly in Firefox and nor should you be using this fork in Firefox. It is intended for SeaMonkey users only. Announcements at https://openuserjs.org/announcements/Greasemonkey_Port_Update
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    Downloads: 6 This Week
    Last Update:
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  • Gemini 3 and 200+ AI Models on One Platform Icon
    Gemini 3 and 200+ AI Models on One Platform

    Access Google's best plus Claude, Llama, and Gemma. Fine-tune and deploy from one console.

    Build generative AI apps with Vertex AI. Switch between models without switching platforms.
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  • 5
    Greasemonkey
    Remote repository and documentation for user.js engine
    Downloads: 14 This Week
    Last Update:
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  • 6
    silvertunnel - Java lib+browser for TOR
    silvertunnel.org is a project that provides an end-user browser, a Java library and additional Java security tools to easily access anonymity networks such as the Tor (torproject.org) network. Secure and easy to use. Tor4Java and Tor Browser. Attention: see project status on page https://sourceforge.net/p/silvertunnel/discussion/962278/thread/83dc2d02/#
    Downloads: 4 This Week
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  • 7
    C-smile OOL is a scripting language with C++-like grammar. It has compiler, VM running bytecodes and C++ extendible runtime. Intended to run in standlone and embedded mode.
    Downloads: 3 This Week
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  • 8
    Try It Yourself HTML5

    Try It Yourself HTML5

    PURE HTML5 editor for web designer and developer

    Your Simple HTML editor for Desktop Device. =============== Get Android App: https://play.google.com/store/apps/details?id=com.ulm.tryiteditorhtml =============== OS requirements: - Windows 7 and later are supported, older operating systems are not supported (and do not work). - Both x86 and amd64 (x64) binaries are provided for Windows. Please note, the ARM version of Windows is not supported for now. ======== Chrome app: HTML, XHTML and XML editor - https://goo.gl/bYR7fF == Browser Extensions == Chrome extension: http://bit.ly/1NiErH5 Add-on Firefox: http://mzl.la/1XJQXQC ==Angular Directive== Download Angular Syntax-Highligher. For documentation follow this link - http://ulmdevice.altervista.org/syntaxhigh/documentation/index.html
    Downloads: 1 This Week
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  • 9
    Open source Firefox extensions, phpBB MODs, MediaWiki extensions, Azureus plugins and other add-on tools created by Bananeweizen of www.bananeweizen.de.
    Downloads: 0 This Week
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  • Go from Code to Production URL in Seconds Icon
    Go from Code to Production URL in Seconds

    Cloud Run deploys apps in any language instantly. Scales to zero. Pay only when code runs.

    Skip the Kubernetes configs. Cloud Run handles HTTPS, scaling, and infrastructure automatically. Two million requests free per month.
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  • 10
    Cherokee is a fully extensible and scriptable automation engine for any and all java applets. To make it work for your favorite java applet the most you have to do is write is two classes.
    Downloads: 0 This Week
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  • 11
    This is a JavaScript library which gives the ability to use cryptographic functionality abstracted of available technologies on the browser side. It executes a cryptographic function with the fastest technology including Java, JavaScript and Flash.
    Downloads: 0 This Week
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  • 12
    ElementProps is an Internet Explorer context menu extension that displays the properties of any DOM node in the current web page, including dynamically created elements and attributes.
    Downloads: 0 This Week
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  • 13
    HTML5 Editor Online

    HTML5 Editor Online

    Edit yours files html, css and js directly in your PC or Mac

    Edit your files html, css and javascript directly into your PC or Mac, save the result in your file system. See a preview of web design, and if you want you can also export it as pdf or html format. ===== Android app Deluxe edition: https://play.google.com/store/apps/details?id=com.ulm.html5editorfortablet Android app PRO edition: https://play.google.com/store/apps/details?id=com.ulm.html5editor Chrome app: HTML, XHTML and XML editor - https://goo.gl/bYR7fF ===== == Update 30.06.2017 == Windows 7 and later, macOS and later are supported --------------- Instructions for installing macOS app Download and open zip archive, HTML5-Editor-darwin-x64.zip, in your macOS. Then extract file and move HTML5-Editor.app in your Applications folder of your Mac. Finally open application with double click to start to work ====================
    Downloads: 0 This Week
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  • 14
    Java Library to assist in recording and troubleshooting http by providing an implementation of a proxy and having extensible classes to handle post/pre processing which can be used to carry out custom actions or logging of the transactions.
    Downloads: 0 This Week
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  • 15
    Laszlo Jsf Integration Library
    Downloads: 0 This Week
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  • 16
    LocalJS
    Build Cloud Desktop Application with Web Pages. Deployed from Cloud, Run on Desktop, Developed with HTML + CSS + JavaScript. Two Simple Steps turn your HTML pages into Cloud Desktop Application: Find more at http://localjs.org/
    Downloads: 0 This Week
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  • 17
    Luxor Contrib is a collection of example apps, add-ons, plug-ins, tutorials, FAQs, how-tos and other goodies for the Luxor XUL (XML User Interface Language) toolkit.
    Downloads: 0 This Week
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  • 18
    Luxor is an open-source XML UI Language (XUL) toolkit in Java that lets you build UIs using XML and includes a web server, a portal engine (supporting RSS), a template engine (Velocity), a scripting interpreter (Python) and more.
    Downloads: 0 This Week
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  • 19
    NovaX is a set of programs that is being devloped for small company's and beginners in the fields of HTML and programming. Coded in Python and C++, this is also a good replacement for MS Office. NOTE: This requires Python to be on your PC. ( Python.org )
    Downloads: 0 This Week
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  • 20
    The objective of the OpenBerg Project is to develop Open-Source, Open-Standards-based, Multi-Platform tools for eBook authors, editors and users. We are currently working on OpenBerg Lector, an e-Book reader, and OpenBerg Rector, an e-Book compiler.
    Downloads: 0 This Week
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  • 21
    Nex is a web-browser, written on C#. It uses .Net Framework, Microsoft Web Browser (ActiveX Control), stores all configuration in XML format and has MDI interface. Nex is an executable part of Oridea Platform and designed to run Oridea applications.
    Downloads: 0 This Week
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  • 22
    JavaScript Solitaire Encryption using XML
    Downloads: 0 This Week
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  • 23
    Petra is the primary repository for plugins for the Luxor XUL (XML User Interface Language) toolkit. Plugins let you use new XUL tags along with all built-in core XUL tags without any need to tweak or rebuild the Luxor kernel.
    Downloads: 0 This Week
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  • 24
    Prowser is a "programmatic browser" library for Java. It enables programs to surf the web via an API that mimics the way a human user operates a tabbed GUI browser. Features include: form submission, downloads, authentication, and encryption (https).
    Downloads: 0 This Week
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  • 25
    The PyJTF supports the test-driven development of Javascript code using tests written in Python. It executes the code under test in the IE environment under Windows (Win32). Allows greater productivity in testing Javascript code.
    Downloads: 0 This Week
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