Browse free open source Browsers and projects below. Use the toggles on the left to filter open source Browsers 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.
    Try free now
  • Outgrown Windows Task Scheduler? Icon
    Outgrown Windows Task Scheduler?

    Free diagnostic identifies where your workflow is breaking down—with instant analysis of your scheduling environment.

    Windows Task Scheduler wasn't built for complex, cross-platform automation. Get a free diagnostic that shows exactly where things are failing and provides remediation recommendations. Interactive HTML report delivered in minutes.
    Download Free Tool
  • 1
    PortableApps.com

    PortableApps.com

    Portable software for cloud, local, and portable USB drives

    PortableApps.com is the world's most popular portable software solution allowing you to take your favorite software with you. A fully open source and free platform, it works from any synced cloud folder (DropBox, Google Drive, Box, etc), from your local PC on an internal or external drive, or on any portable storage device (USB flash drive, memory card, portable SSD or hard drive, etc) moved between PCs. With millions of users all over the world, nearly 500 real open source and freeware apps in our main app store (no shovelware), compatible commercial software, and partners in hardware industry, PortableApps.com is the most complete solution for life on the go.
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    Downloads: 487,365 This Week
    Last Update:
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  • 2
    BlackBelt Privacy Tor/i2p+WASTE+VidVoIP

    BlackBelt Privacy Tor/i2p+WASTE+VidVoIP

    Browse on Tor/i2p, Anon p2p Chat / FileTx, Conf / Video VoIP

    Open Source - GPLv3 inc images. *** PLEASE NOTE: There are now 2 seperate versions here. *** One is Pre Firefox 57. The other is Post Firefox 57. *** For those providing mirrors, please enable your users to realize this. Vidalia Based, Tor as a Service Solution. MicroSip: enables FREE PC to PC video calling with no account sign-up and no middleman server. WASTE: enables FREE Conference VoIP, chat, file transfer and support. *** AI Powered *** Tor/i2p: enables safer browsing. Tor/i2p Profile: Browse over Tor/i2p on Firefox (Vanilla, ESR), Waterfox (Classic, New), Palemoon , LibreWolf and legacy CyberFox. As with all versions of Tor - do not rely on this for strong anonymity. A usability enhanced Privacy Pack. Use alongside Tor Browser Bundle. An installer, for : Vista 32/64, Win7 32/64, Win8 32/64, Win10 32/64, Win11, Linux (Wine)
    Downloads: 68 This Week
    Last Update:
    See Project
  • 3
    OWASP Mantra - Security Framework

    OWASP Mantra - Security Framework

    Free and Open Source Browser based Security Framework

    OWASP Mantra - Free and Open Source Browser based Security Framework, is a collection of free and open source tools integrated into a web browser, which can become handy for penetration testers, web application developers, security professionals etc.
    Downloads: 32 This Week
    Last Update:
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  • 4
    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: 16 This Week
    Last Update:
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  • Atera - The depth of a full-stack IT platform, with the power of AI. Icon
    Atera - The depth of a full-stack IT platform, with the power of AI.

    Atera introduces your autonomous AI agent - Ensure operational efficiency at any scale with 24/7 autonomous IT support.

    Atera prioritizes security and compliance through robust protections that align with industry standards. Our AI-driven features were built on responsible AI principles and empower IT teams to work efficiently while maintaining trust and compliance.
    Learn More
  • 5
    Browser for Tor with Onion Router

    Browser for Tor with Onion Router

    Browser for Tor based on Dooble & Vidalia as integrated Addon

    Tor now plugs into the Browser. Dooble Web Browser, a secure open source userfriendly tool to explore the web secure over Tor. Steer Tor in the Browser (in Settings/Proxy/Tor) with an Add-On based on Vidalia. Just start the Add-On "Tor" in the Browser Add-On-Menu and in Settings/Proxy.
    Downloads: 14 This Week
    Last Update:
    See Project
  • 6
    pcxFirefox

    pcxFirefox

    Better Browser World

    Firefox and Thunderbird release edition built by PcX ( Windows ) Source code is hosted on https://github.com/xunxun1982/pcxfirefox Provide SSE2 x86 and x64 edition Donate to Me: https://paypal.me/xunxun1982
    Downloads: 12 This Week
    Last Update:
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  • 7

    uweb browser: unlimited power

    minimal suckless android web browser with unlimited power

    - AI bot as search engine; append file content as input for complex query. - Powerful: html5 enhancement; any urls to host a website; javascript and shell scripting for general processing; and more with Termux. - Customizable: user-defined menus, (new) buttons and gestures for user agents, bookmarklets, url services, shell commands, internal functionality links and text processing etc. - Convenient: book/dictionary/txt/command line/app can be search engine. - Tiny: less than 200k - Fast: run fast, even with thousands of user provided css/scripts - Efficient: less touches, one click to reach any number of search engines without repeated input; automate online services. - URL bar command line support ("!" and .js files as commands). - user-defined site-specific JS/CSS/HTML/preprocessing. - Online play/preview/preprocess for downloadable resources. - Multiple type profiles: switch any data including logins/config orthogonally - web automation, crontab (alarm clock)
    Downloads: 6 This Week
    Last Update:
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  • 8
    KCFinder
    KCFinder is an alternative to the CKFinder web file manager. It can be integrated into FCKeditor, CKEditor, and TinyMCE WYSIWYG web editors to upload and manage images, flash movies, and other files that can be embedded in generated HTML content.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 9
    PhpProxy-->access to any site from your computer online!
    Downloads: 3 This Week
    Last Update:
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  • Total Network Visibility for Network Engineers and IT Managers Icon
    Total Network Visibility for Network Engineers and IT Managers

    Network monitoring and troubleshooting is hard. TotalView makes it easy.

    This means every device on your network, and every interface on every device is automatically analyzed for performance, errors, QoS, and configuration.
    Learn More
  • 10
    huhamhire-hosts

    huhamhire-hosts

    hosts for Internet Freedom

    Since the governments of some countries are using the blocking the internet access to several websites and web service providers which includes some world famous sites like Google, YouTube, twitter, Facebook, and Wikipedia etc., we designed this tiny utility in order to help people getting through the Internet blockade. Hosts Setup Utility provides basic tools to manage the hosts file on current operating systems. It also provides both support for Graphical Desktop environment with Graphical User Interface (GUI) and CLI environment with Text-based User Interface (TUI). Users could use these tool to modify the hosts to visit specified websites or services blocked by ISP/government. Functions which help users to backup/restore hosts files are also provided. For more detailed information, please visit the website of this project.
    Downloads: 6 This Week
    Last Update:
    See Project
  • 11
    panda is a browser base on mozilla gecko engine .
    Downloads: 2 This Week
    Last Update:
    See Project
  • 12
    Addons for any applications supporting the extension mechanism introduced by Mozilla products: Firefox, Thunderbird, Komodo, NVU, Mozilla Suite
    Downloads: 1 This Week
    Last Update:
    See Project
  • 13
    ASProxy

    ASProxy

    Project moved to https://github.com/salarcode/ASProxy

    This project is moved to https://github.com/salarcode/ASProxy ASProxy is a free and open-source service which allows the user to surf the net anonymously. It hides your identity and allows you to pass any filtering system. ASProxy supports most current web technologies such as AJAX, HTTPS, JavaScript, FTP and so on
    Downloads: 2 This Week
    Last Update:
    See Project
  • 14
    Client/aggregator for free online language services - translators, dictionaries, thesauruses . Allow to translate text over 41 sites, 53 services, 70 languages, more of 4000 translation directions.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 15
    sanguo
    该软件主要是为了改善三国风云玩家的游戏体验,把玩家们从枯燥无味又繁重的点击劳动中解放出来。此工具可免费下载,绝无后门、木马,不信者可用防火墙监测访问的地址。
    Downloads: 1 This Week
    Last Update:
    See Project
  • 16
    PDF Download is a Firefox extension that improve your surfing experience: when you click on a link to a PDF file, it allows to choose if you want to view the PDF file inside the browser (as PDF or as HTML), outside Firefox or if you want to download it.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 17
    A very fast and tiny web browser for hand-hold devices based on S60WebKit,full support Windows Mobile,Symbian S60,etc.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 18
    This project intends to provide a light-weight web browser running on MiniGUI ( Please download the lib of minigui on www.minigui.org/res.shtml). It is a successor of Dillo, and uses HTML engine and networking engine of Dillo.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 19
    Zeromus Browser

    Zeromus Browser

    Zeromus Browser is free, simple and lightweight.

    Zeromus Browser is a simple browser whose feature list includes things like "History", "Bookmarks" and "zLink", that is a page to see the most visited hosts. It is small, less then 10,000 lines of code and very fast. The SpringSun 2.0.0 update includes a new homepage, a new zLink page, new keyboard shortcuts, a new button to the download manager, a streamlined interface, and a major modification of the search engines. The SpringSun 2.1.0 update use Qt 4.8.3 for more stability. The 4.2 update include a better interface, a new logo, and a new homepage. Then, the 4.3 update include an other new logo because we search what's Zeromus identity. ;-) Note: Zeromus Browser is a fork of Arora.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 20
    ArchView is an extension of Firefox, which can open archive file online without downloading the whole archive. ArchView supports RAR and ZIP formats; HTTP, FTP and file: protocols. And it can present XUL or HTML interface.
    Downloads: 1 This Week
    Last Update:
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  • 21
    discuss javascript programing model
    Downloads: 1 This Week
    Last Update:
    See Project
  • 22
    deny the access to the dangrous site
    Downloads: 0 This Week
    Last Update:
    See Project
  • 23
    BlueLightCat

    BlueLightCat

    A web browser free, simple and clear.

    BlueLightCat is a simple browser whose feature list includes things like "History", "Bookmarks" and "QuickView", that is a page to see the most visited hosts. It is small, less then 10,000 lines of code and very fast. Note: BlueLightCat is a fork of Zeromus Browser.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 24
    A Windows System Framework in a browser. Any one can implement the Information Management System, such as ERP, CRM, SCM, MIS, etc. based on this project. The developers can make the web applications from B/S style to C/S style by the wrapper of AJAX.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 25
    In many times we want to help our friends and family, they are under some kind of censorship or blocked by firewall, they just want to get some true news.
    Downloads: 0 This Week
    Last Update:
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