Open Source Windows Internet Software
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Internet Software for Windows
View 2852 business solutionsBrowse 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.
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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. -
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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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XAMPP
An easy to install Apache distribution containing MySQL, PHP, and Perl
XAMPP is a very easy to install Apache Distribution for Linux, Solaris, Windows, and Mac OS X. The package includes the Apache web server, MySQL, PHP, Perl, a FTP server and phpMyAdmin. -
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WinSCP
WinSCP is a free SFTP, SCP, S3, WebDAV, and FTP client for Windows.
WinSCP is a popular free file manager for Windows supporting SFTP, FTP, FTPS, SCP, S3, WebDAV and local-to-local file transfers. A powerful tool to enhance your productivity with a user-friendly interface and automation options like .NET assembly or batch file scripting. Use WinSCP also for file editing, directory synchronization and site management. WinSCP is open-source and well documented. It is available in English and many other languages. -
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Safe Exam Browser is a webbrowser-environment to carry out online-exams safely. The software changes any computer into a secure workstation. It regulates the access to any utilities and prevents students from using unauthorised resources.
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v2rayN
A V2Ray client for Windows, support Xray core and v2fly core
A V2Ray client for Windows, support Xray core and v2fly core. If you are new to this, please download v2rayN-Core.zip from releases. Otherwise please download v2rayN.zip (you will also need to download v2ray core into the same folder with v2rayN.exe) Run v2rayN.exe. -
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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
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Anti-Spam SMTP Proxy Server
Anti-Spam SMTP Proxy Server implements multiple spam filters
The Anti-Spam SMTP Proxy (ASSP) Server project aims to create an open source platform-independent SMTP Proxy server which implements auto-whitelists, self learning Hidden-Markov-Model and/or Bayesian, Greylisting, DNSBL, DNSWL, URIBL, SPF, SRS, Backscatter, Virus scanning, attachment blocking, Senderbase and multiple other filter methods. Click 'Files' to download the professional version 2.8.1 build 24261. A linux(ubuntu 20.04 LTS) and a freeBSD 12.2 based ready to run OVA of ASSP V2 are also available for download. NOTICE: V1 development has been stopped at the end of 2014 (1.10.1 build 16060). Possibly there will be done some bugfixing in future. Please upgrade to V2, which is and will be actively maintained. -
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Tcl
The Tool Command Language implementation
Tool Command Language (Tcl) is an interpreted language and very portable interpreter for that language. Tcl is embeddable and extensible, and has been widely used since its creation in 1988 by John Ousterhout. Bug reports to http://core.tcl.tk/tcl/ Follow code development at http://core.tcl.tk/tcl/ -
Enterprise-grade ITSM, for every businessFreshservice is an intuitive, AI-powered platform that helps IT, operations, and business teams deliver exceptional service without the usual complexity. Automate repetitive tasks, resolve issues faster, and provide seamless support across the organization. From managing incidents and assets to driving smarter decisions, Freshservice makes it easy to stay efficient and scale with confidence.
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Net-SNMP provides tools and libraries relating to the Simple Network Management Protocol including: An extensible agent, an SNMP library, tools to request or set information from SNMP agents, tools to generate and handle SNMP traps, etc.
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V2Ray
V2Ray is a set of tools for building your own private network
Project V is a set of tools to help you build your own privacy network over internet. The core of Project V, named V2Ray, is responsible for network protocols and communications. It can work alone, as well as combine with other tools. -
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TG WS Proxy
Local MTProto proxy server for partial bypassing of Telegram loading
TG WS Proxy is a lightweight proxy server designed to enable Telegram connectivity over WebSocket, particularly in environments where direct access to Telegram servers is restricted. It allows Telegram clients to communicate through alternative transport layers, bypassing network limitations or censorship mechanisms. The project focuses on simplicity and efficiency, providing a minimal setup that can be deployed quickly on various platforms. It supports secure communication and can be integrated into existing proxy infrastructures. The tool is particularly useful in regions with network restrictions, enabling continued access to Telegram services. It also offers flexibility in configuration, allowing users to adapt it to different network conditions. -
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WampServer
A Windows Web development environment for Apache, MySQL, PHP databases
WampServer is a Web development platform on Windows that allows you to create dynamic Web applications with Apache2, PHP, MySQL and MariaDB. WampServer automatically installs everything you need to intuitively develope Web applications. You will be able to tune your server without even touching its setting files. Best of all, WampServer is available for free (under GPML license) in both 32 and 64 bit versions. Wampserver is not compatible with Windows XP, SP3, or Windows Server 2003. -
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Amnezia VPN
Amnezia VPN Client (Desktop+Mobile)
Amnezia is an open-source VPN client, with a key feature that enables you to deploy your own VPN server on your server. -
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Zero Install is a decentralised cross-distribution software installation system. Create one package that works everywhere! With dependency handling and automatic updates, full support for shared libraries, and integration with native package managers
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NetMod is a free, advanced VPN client and set of network tool, offering VPN protocols including SSH, HTTP(S), Socks, VMess, VLess, Trojan, Shadowsocks, ShadowsocksR, DNSTT, OpenVPN. unblock the internet censorship and stay anonymous online. Any question related to project can be asked in here: https://www.facebook.com/NetModSyna/ netmodsyna@gmail.com Telegram: https://t.me/netmod_vpn_channel Get Android version: https://play.google.com/store/apps/details?id=com.netmod.syna NetMod may be used free of charge, but if you wish to express your appreciation for the time and resources the authors have expended developing and supporting it over the years, we do accept and appreciate donations. Click the following links to donate. Thank you! https://www.paypal.com/paypalme/NetModSyna https://buymeacoffee.com/netmod https://trakteer.id/netmod/tip
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Tor Browser
Browser for using Tor on Windows, Mac OS X or Linux
Tor Browser enables you to use Tor on Windows, Mac OS X, or Linux without needing to install any software. Tor is a software that bounces your communications around a distributed network of relays run by volunteers. This effectively prevents anyone watching your Internet connection from learning what sites you visit; it prevents the sites you visit from learning your physical location; and allows you access to sites which are blocked. Tor Browser can run off a USB flash drive, comes with a pre-configured web browser to protect your anonymity, and is self-contained (portable). -
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Double Commander is a cross platform open source file manager with two panels side by side. It is inspired by Total Commander and features some new ideas.
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JavDB
javdb official app
JavDB is an open-source mobile application designed as an official client for browsing and interacting with the JavDB platform, providing users with a streamlined interface for accessing and managing content from the associated database. The project focuses on delivering a dedicated app experience rather than relying on web browsing, allowing for improved navigation, performance, and usability on mobile devices. It includes distribution options through various channels such as direct downloads, third-party installers, and release builds, making it accessible across different user environments. The application is relatively lightweight and centered around providing quick access to indexed content, metadata, and media listings available on the platform. Its development is maintained through a GitHub repository with ongoing releases and updates, indicating active iteration and refinement. -
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log4cplus
Logging Framework for C++
log4cplus is a simple to use C++ logging API providing thread-safe, flexible, and arbitrarily granular control over log management and configuration. It is modelled after the Java log4j API. -
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Proton VPN Windows App
Official ProtonVPN Windows app
The ProtonVPN Windows app project hosts the official open-source client software that lets users securely connect their Windows machines to the ProtonVPN service with full system-wide VPN protection. It includes a modern GUI built with .NET and WPF that lets users authenticate, choose VPN servers, and configure features like split tunneling or kill switch, while a background Windows service manages VPN connections using the OpenVPN protocol and handles networking tasks such as firewall and adapter configuration. The app integrates a custom TAP driver and a split tunnel callout driver to help route traffic securely and prevent leaks, and is structured so the GUI and service components work together to deliver a smooth user experience on Windows desktops and laptops. ProtonVPN’s Windows client supports both free and paid users with access to Proton’s global server network, encrypted tunnels, and privacy-first policies that block logging and respect user anonymity. -
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DjVu is a web-centric format for distributing documents and images. DjVu was created at AT&T Labs-Research and later sold to LizardTech Inc. DjVuLibre is a GPL implementation of DjVu maintained by the original inventors of DjVu.
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hiddify-app
Multi-platform auto-proxy client, supporting Sing-box, X-ray, TUIC
Hiddify is a comprehensive VPN and proxy client designed to facilitate secure internet access and bypass censorship. It supports advanced proxy protocols like V2Ray, Shadowsocks, and Trojan, offering configuration through QR codes, links, and subscription services. Hiddify aims to be user-friendly while also catering to power users with customizable options, making it a popular choice in regions with restricted internet access. -
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Zapret Discord YouTube
Windows-based network traffic manipulation tool
Zapret Discord YouTube is a Windows-based network traffic manipulation tool designed to bypass internet restrictions and throttling applied to services such as YouTube and Discord by modifying how traffic is handled at the packet level. The project is built on top of the broader “zapret” ecosystem and uses WinDivert, a low-level packet interception driver, to filter, split, and alter network packets in real time in order to evade deep packet inspection (DPI) systems used by ISPs or governments. By applying different “strategies” through batch scripts, the tool can dynamically adjust how traffic appears to filtering systems, effectively restoring access or improving connection quality for blocked or slowed services. It also integrates additional mechanisms such as host file updates and DNS configuration to improve compatibility with voice services and regional routing issues. -
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NekoBox for PC (NekoRay)
Qt based cross-platform GUI proxy configuration manager
NekoBox for PC is a Qt-based, cross-platform proxy configuration manager designed for Windows and Linux systems. It provides a user-friendly graphical interface for managing advanced proxy and tunneling configurations using the sing-box backend. NekoBox supports a wide range of modern proxy protocols, making it suitable for users who need flexible and powerful network routing options. The application offers portable builds that run without installation, allowing quick setup and easy deployment. With support for subscription-based configurations and custom cores, it caters to both casual users and advanced networking enthusiasts. Although the project has been archived and is no longer actively maintained, NekoBox for PC remains a popular and capable tool for managing complex proxy setups.
