Open Source Windows Internet Software

Internet Software for Windows

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

  • $300 Free Credits to Build on Google Cloud Icon
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  • 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.
    Leader badge
    Downloads: 256,200 This Week
    Last Update:
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  • 2
    KeePass

    KeePass

    A lightweight and easy-to-use password manager

    KeePass Password Safe is a free, open source, lightweight, and easy-to-use password manager for Windows, Linux and Mac OS X, with ports for Android, iPhone/iPad and other mobile devices. With so many passwords to remember and the need to vary passwords to protect your valuable data, it’s nice to have KeePass to manage your passwords in a secure way. KeePass puts all your passwords in a highly encrypted database and locks them with one master key or a key file. As a result, you only have to remember one single master password or select the key file to unlock the whole database. And the databases are encrypted using the best and most secure encryption algorithms currently known, AES and Twofish. See our features page for details.
    Leader badge
    Downloads: 229,041 This Week
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  • 3
    GeoServer
    GeoServer is an open source software server written in Java that allows users to share and edit geospatial data. Designed for interoperability, it publishes data from any major spatial data source using open standards: WMS, WFS, WCS, WPS and REST
    Leader badge
    Downloads: 52,768 This Week
    Last Update:
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  • 4
    Caddy

    Caddy

    Powerful, enterprise-ready, open source web server w/ automatic HTTPS

    Caddy is a powerful, extensible, enterprise-ready server platform that uses TLS by default. Everything you would require in your infrastructure, from TLS certificate renewals and OCSP stapling, to reverse proxying and ingress, Caddy simplifies it all. Its modular architecture lets you do more with just a single static binary that compiles for any platform. Caddy is the only web server that uses HTTPS automatically and by default. It automatically renews TLS certificates, staples OCSP responses and more. Though used mostly as an HTTPS server, Caddy can be used to run Go applications, offering automated documentation, graceful on-line config changes via API and more to these apps. Caddy is very extensible, with a powerful plugin system unlike any other web server.
    Downloads: 583 This Week
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  • Fully Managed MySQL, PostgreSQL, and SQL Server Icon
    Fully Managed MySQL, PostgreSQL, and SQL Server

    Automatic backups, patching, replication, and failover. Focus on your app, not your database.

    Cloud SQL handles your database ops end to end, so you can focus on your app.
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  • 5
    phpList

    phpList

    Powerful Open Source Email Marketing app with analytics & segmentation

    phpList delivers Open Source email marketing, including analytics, list segmentation, content personalisaton and bounce processing. Extensive technical features and a secure and stable codebase are the result of over 17 years of continuous development. Used in 95 countries, available in 20+ languages, and used to send 25 billion email campaigns last year. Deploy it with your own SMTP server, or get a free hosted account at http://phplist.com.
    Leader badge
    Downloads: 2,771 This Week
    Last Update:
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  • 6
    Zint Barcode Generator

    Zint Barcode Generator

    A barcode encoding library supporting over 50 symbologies.

    Encodes data into any of the following: Australia Post, Aztec Code & Runes, BC412, Channel, Codabar, Codablock-F, Code 11, Code 128, Code 16K, Code 2 of 5 (incl. IATA, Interleaved, Data Logic, ITF-14, Deutsche Post Leitcode & Identcode), Code 32 (Italian Pharmacode), Code 39, Code 39+, Code 49, Code 93, Code One, DAFT, Data Matrix (incl. DMRE), DotCode, DPD, Dutch Post KIX, EAN, FIM, Flattermarken, Grid Matrix, GS1 DataBar (incl. stacked & GS1 Composite symbols), GS1-128, Han Xin, HIBC, ISBN, Japan Post, Korea Post, LOGMARS, MaxiCode, NVE-18 ( SSCC-18), PDF417 & MicroPDF417, Pharmacode, PLANET, POSTNET, Plessey (MSI & UK), PZN, QR Code, Micro QR & rMQR, Royal Mail RM4SCC & Mailmark, Telepen, Ultracode, UPC-A, UPC-E, UPNQR, UPU S10, USPS Intelligent Mail and VIN. Automated ECI switching to support all Unicode characters and automated FNC1 character insertion in GS1 mode. Save to BMP, EMF, EPS, GIF, PCX, PNG, SVG and TIF. Includes CLI, GUI and API for calling from other applications.
    Leader badge
    Downloads: 1,141 This Week
    Last Update:
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  • 7
    winPenPack

    winPenPack

    The portable software collection

    winPenPack is a project that aims at collecting the most frequently used and most popular open source applications made portable, so that they can be executed without installation from any USB Flash Drive or Hard Disk. The winPenPack suites offer a wide range of portable applications like office tools, internet tools, multimedia tools, development tools, security applications and other frequently used utilities. Everything you need, completely free, open source and portable!
    Leader badge
    Downloads: 564 This Week
    Last Update:
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  • 8
    Tiki Wiki CMS Groupware

    Tiki Wiki CMS Groupware

    The Free / Libre / Open Source Web App with the most built-in features

    "Software made the wiki way" A full-featured, web-based, tightly integrated, all-in-one Wiki+CMS+Groupware, Free Source Software (GNU/LGPL), using PHP, MySQL, Zend Framework, jQuery and Smarty. Tiki can be used to create all kinds of Web applications, sites, portals, knowledge base, intranets, and extranets. Tiki is the Open Source Web Application with the most built-in features. Highly configurable and modular, all features are optional and administered via a web-based interface. Major features include a wiki engine, news articles, discussion forums, newsletters, blogs, file galleries, bug and issue trackers (form generator), polls/surveys and quizzes, banner management system, calendar, maps, mobile , RSS feeds, category system, tags, an advanced themeing engine, spreadsheet, drawings, inter-user messaging, menus, advanced permission system for users and groups, search engine, external authentication, etc. Security reports: https://security.tiki.org
    Leader badge
    Downloads: 305 This Week
    Last Update:
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  • 9
    TCPDF (DEPRECATED → use tc-lib-pdf)
    TCPDF (DEPRECATED → use https://github.com/tecnickcom/tc-lib-pdf)
    Leader badge
    Downloads: 207 This Week
    Last Update:
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  • Build Agents and Models on One Platform Icon
    Build Agents and Models on One Platform

    Everything you need to build production-ready agents and models. Access 200+ Google and third-party AI models and tools.

    Gemini Enterprise Agent Platform is Google Cloud's comprehensive platform for developers to build, scale, govern, and optimize agents and models. Choose from Google's most advanced models and third-party models like Anthropic's Claude Model Family.
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  • 10
    Liferay Portal

    Liferay Portal

    The world's leading open source portal

    Liferay Portal is the world's leading enterprise open source portal framework, offering integrated Web publishing and content management, an enterprise service bus and service-oriented architecture, and compatibility with all major IT infrastructure. Check GitHub for our latest releases: https://github.com/liferay/liferay-portal/releases https://github.com/liferay/liferay-ide/releases
    Leader badge
    Downloads: 200 This Week
    Last Update:
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  • 11
    LogicalDOC Document Management - DMS

    LogicalDOC Document Management - DMS

    smart and open source document management system

    LogicalDOC is both document management and collaboration system. The software is loaded with many functions and allows organizing, index, retrieving, controlling and distributing important business documents securely and safely for any organization and individual. Gone are the days when companies used paper-based processes such as printing, mailing and manual filing of paper documents; our document management system replaces all of this with electronic procedures that allow your organization to reduce costs significantly. Check out https://www.logicaldoc.com to learn more. The design of LogicalDOC is based on best-of-breed Java technologies in order to provide a reliable DMS platform. The main interface is web-based, no need to install anything else; users can access the system through their browser. LogicalDOC CE is 100% free software and is packaged with an open source database; while it supports all major DBMS, developers still recommend MySQL for production systems.
    Leader badge
    Downloads: 183 This Week
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  • 12
    teemIP - CMDB & DDI solution

    teemIP - CMDB & DDI solution

    teemIP : Open source IPAM & DDI solution with CMDB integration.

    teemIP is an open source, web-based IP Address Management (IPAM) and DDI solution built on the iTop framework. It provides comprehensive IP management: IPv4/IPv6 plan management, subnet hierarchy, IP lifecycle, VLAN and DNS/DHCP integration. teemIP is now maintained by the teemIP SAS founding team: Christophe Naud (original creator), Martin de Laval and Quentin Ville. The company is being officially incorporated in July 2026. The project remains open source under AGPL v3. Professional support, integration services and subscriptions: https://www.teemip.com
    Leader badge
    Downloads: 181 This Week
    Last Update:
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  • 13
    Alfresco Community Edition

    Alfresco Community Edition

    Open Source Enterprise Content Management ECM

    The open source Enterprise Content Management (ECM) software that handles any type of content, allowing users to easily share and collaborate on content.
    Leader badge
    Downloads: 134 This Week
    Last Update:
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  • 14

    PHP Address Book

    Simple, web-based address & phone book

    Simple, web-based address & phone book, contact manager, organizer. Groups, addresses, e-Mails, phone numbers & birthdays. vCards, LDIF, Excel, iPhone, Gmail & Google-Maps supported. PHP / MySQL based.
    Leader badge
    Downloads: 120 This Week
    Last Update:
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  • 15
    VirtueMart
    VirtueMart is an Open Source eCommerce Solution for Joomla! The other carts claim to be easy to use. VirtueMart is not only as easy to use as Joomla!, but it was easy to install and looks very easy to comprehend and maintain.
    Downloads: 203 This Week
    Last Update:
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  • 16
    Magento 2

    Magento 2

    Cutting-edge, feature-rich eCommerce solution that gets results

    Magento 2 is the open source version of the leading enterprise-class ecommerce platform. It is capable of creating unique and engaging shopping experiences thanks to a rich set of cutting-edge features, seamless third-party integrations and unrivaled customization capabilities.
    Downloads: 13 This Week
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  • 17
    SQLPad

    SQLPad

    Web-based SQL editor run in your own private cloud

    A web app for writing and running SQL queries and visualizing the results. Supports Postgres, MySQL, SQL Server, ClickHouse, Crate, Vertica, Trino, Presto, SAP HANA, Cassandra, Snowflake, Google BigQuery, SQLite, TiDB, and many more via ODBC. The docker image runs on port 3000 and uses /var/lib/sqlpad for the embedded database directory. latest tag is continuously built from latest commit in repo. Only use that if you want to live on the edge, otherwise use specific version tags to ensure stability. See docker-examples directory for example docker-compose setup with SQL Server.
    Downloads: 13 This Week
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  • 18
    TWiki Enterprise Collaboration Platform

    TWiki Enterprise Collaboration Platform

    Open Source Enterprise Wiki and Web Application Platform

    Enterprise collaboration platform with over 400 extensions. Users without programming skills can create web applications. 50,000 small businesses, many Fortune 500 companies, and millions of people use TWiki, with installations of 100,000s of pages. Visit http://twiki.org/ for the open source TWiki. The TWiki community is focusing on building the best collaboration platform for the workplace. We invite you to GET INVOLVED! More at http://bit.ly/twGetInv.
    Leader badge
    Downloads: 46 This Week
    Last Update:
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  • 19
    fluentbit

    fluentbit

    Fast and Lightweight Logs and Metrics processor for Linux, BSD, OSX

    Fluent Bit is a super-fast, lightweight, and highly scalable logging and metrics processor and forwarder. It is the preferred choice for cloud and containerized environments. A robust, lightweight, and portable architecture for high throughput with low CPU and memory usage from any data source to any destination. Proven across distributed cloud and container environments. Highly available with I/O handlers to store data for disaster recovery. Granular management of data parsing and routing. Filtering and enrichment to optimize security and minimize cost. The lightweight, asynchronous design optimizes resource usage: CPU, memory, disk I/O, network. No more OOM errors! Integration with all your technology, cloud-native services, containers, streaming processors, and data backends. Fully event-driven design leverages the operating system API for performance and reliability. All operations to collect and deliver data are asynchronous.
    Downloads: 9 This Week
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  • 20
    Compiere ERP + CRM Business Solution
    Compiere ERP+CRM is the leading open source ERP solution for Distribution, Retail, Manufacturing and Service industries. Compiere automates accounting, supply chain, inventory and sales orders. Compiere ERP is distributed under GPL V2 by Compiere, Inc.
    Downloads: 46 This Week
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  • 21
    SEO Panel - A control panel for SEO

    SEO Panel - A control panel for SEO

    World's first seo control panel for multiple websites

    An Award Winning and complete open source seo control panel for managing search engine optimization of your websites. Seo Panel is a seo tool kit includes latest hot seo tools to increase and track the performace of your websites. It is a free software released under GNU GENERAL PUBLIC LICENSE V2. Seo Panel selected as 1st Runner Up in 2011 Open Source Awards as Most Promising Open Source Project. The main feature of seo panel is its extendability by using seo plugins. Any one can easily develop and install required plugins for their seo panel. This open source software was released on January 2010. With in this short period of time thousands of web masters are using this software for optimizing their websites. Use seo panel today itself and enjoy everything related to seo under a single platform. The major feature of seo panel is seo plugins, we can add plugins to our seo panel and extend the features according to our requirement. Home Page: https://www.seopanel.org/
    Leader badge
    Downloads: 45 This Week
    Last Update:
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  • 22
    Pines

    Pines

    Feature packed web application framework.

    A full featured web application framework with an advanced object-relational mapper, extensive method hooking functionality, an advanced package management system (like those found on Linux), and MVC architecture. It emphasizes speed and flexible/extensible structures.
    Downloads: 46 This Week
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  • 23
    Jacksum

    Jacksum

    a free cross platform checksum utility, supports 58+ hash algorithms

    Development of this project has been moved to https://github.com/jonelo/jacksum. This site has been left for historical purposes ONLY, you find older Jacksum versions here. Please visit the GitHub site for current development. Jacksum 1.7.0 is a platform independent checksum utility (written entirely in Java) for computing and verifying (integrity check) checksums, CRC and hashes (fingerprints). It supports 58 popular hash algorithms and a lot of unique features.
    Downloads: 48 This Week
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  • 24

    OS X Portable Applications

    Portable OS X FOSS applications

    OS X FOSS portable applications are packaged so you can carry around on any portable device, USB thumb drive, iPod, portable hard drive, memory card, other portable device (or also on your internal hard disk), taking your preferences with you.
    Downloads: 31 This Week
    Last Update:
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  • 25
    Ghost

    Ghost

    The world’s most popular open source headless Node.js CMS

    Ghost is a popular open source headless Node.js CMS for professional online publishing. Ghost allows writers, podcasters and other online content creators to quickly and easily set up their own sites, publish content on their own terms and deliver newsletters online. Ghost is a powerful platform that gives you complete control over design, content, delivery, experience and more. It’s got built-in SEO features, email newsletters, and works with hundreds of tools that can help speed up your workflow. It’s also great for entrepreneurs as it has the ability to create sustainable membership businesses.
    Downloads: 6 This Week
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