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

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  • 1
    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!
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    Downloads: 522 This Week
    Last Update:
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  • 2
    TurboPower Async Professional
    Async Professional is a comprehensive communications toolkit for Embarcadero Delphi, C++Builder, & ActiveX environments. It provides direct access to serial ports, TAPI, and the Microsoft Speech API. It supports faxing, terminal emulation, VOIP, & more.
    Downloads: 19 This Week
    Last Update:
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  • 3
    jpcap is a set of Java classes which provide an interface and system for network packet capture. A protocol library and tool for visualizing network traffic is included. jpcap utilizes libpcap, a widely deployed system library for packet capture.
    Downloads: 36 This Week
    Last Update:
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  • 4
    CnxManager allows you to associate actions with network connections. These actions will be launched when a connection becomes active and allow to change proxy settings, redirect ports, launch applications and many more through the use of plugins
    Downloads: 36 This Week
    Last Update:
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  • 5
    Repository for open source software re-packaged into MSI packages for enterprise deployment.
    Downloads: 12 This Week
    Last Update:
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  • 6
    Visual Synapse are component wrappers around the Synapse tcp/ip libraries. It wraps a few common internet protocols, like HTTP, UDP, DNS, ICMP, TCP and SMTP to multi-threaded components that can be used with Delphi, Kylix, Freepascal and C++ Builder.
    Downloads: 11 This Week
    Last Update:
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  • 7
    The State Threads Library is a small application library which provides a foundation for writing fast and highly scalable Internet applications (such as web servers, proxy servers, mail transfer agents, and so on) on UNIX-like platforms.
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    Downloads: 2 This Week
    Last Update:
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  • 8
    EclipseMozilla is the bridge between two great open source communities. The goal is to spread Mozilla technology to Eclipse developers. Eclipse RCP developers now can easily include the Mozilla browsers in their Eclipse RCP applications.
    Downloads: 1 This Week
    Last Update:
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  • 9
    Collection of Java tools and packages related to server-side (web application-oriented) XML processing, such as Adaptive XML Inclusions system with demo. Tools for personalization of XML content, Java-XML data binding and others will come later.
    Downloads: 0 This Week
    Last Update:
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    Application Monitoring That Won't Slow Your App Down

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  • 10
    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: 0 This Week
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  • 11
    Ohioedge Customer is a Web-based, J2EE application built using Ohioedge J2eeBuilder. It is composed of Org., State, Employee, Name Prefix/Suffix/Title, Customer, Contact, Requirements, Requirement Status, and Buyer mgmt. It is now part of Ohioedge CRM.
    Downloads: 0 This Week
    Last Update:
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  • 12
    A semantic memory software tool “reflects” one's “imagination”. In it, arbitrary concepts may be described, stored, arranged, transformed, and shared. One may verbalize thoughts as they arise in the mind to externalize and digitize “mental obj
    Downloads: 0 This Week
    Last Update:
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  • 13
    A distributed database of XML documents for Intranets and the Internet in a region where connectivity is sporadic. Development is by UN Volunteers and Loja Technical University, to support staff of the Business Development Agency in Loja, Ecuador
    Downloads: 0 This Week
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  • 14
    JSPackaging is a JavaScript framework that provides simple directives for defining, loading & importing uniquely named packages of JavaScript modules. UPDATE: This project now exists as Ajile at http://sf.net/projects/ajile & http://ajile.iskitz.com.
    Downloads: 0 This Week
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  • 15
    MKS CORE SYSTEMS DEVELOPMENT * Project and Knowledge Management System * Collaborative Messaging and integrated Workflow engine * On-line voting, scoring and reviews * Template based Project Creation * Tree-based Knowledge Mapping
    Downloads: 0 This Week
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  • 16
    Open-N is a project to repackage Mozilla and provide support for end-users who do not fall under the Mozilla teams support of developers and testers. Support will be free (as in beer) community based utilizing an Open Source helpdesk software.
    Downloads: 0 This Week
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  • 17
    This php-script can be used to get informations from routers (cisco) like traceroute, ping, show bgp neigbour etc..
    Downloads: 0 This Week
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  • 18
    Our Parlinkie Messaging Server allows your application to communicate with other applications using the ACORD Messaging Service XML specification.
    Downloads: 0 This Week
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  • 19
    SLAng is a language for electronic-service service-level agreements. The UCL SLAng project hosts the current version of the specification, and software for composing and monitoring SLAng SLAs.
    Downloads: 0 This Week
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  • 20
    Deutsche SeaMonkey Installer für Releases und bald Nightlies
    Downloads: 0 This Week
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  • 21
    Allows tunneled connections to Internet resources via TCP/IP optionally using an HTTP Proxy (must support CONNECT). Maps a port on an accessible machine to a destination. Uses D7 w/ Indy 9. Feel free to e-mail me with comments / suggestions.
    Downloads: 0 This Week
    Last Update:
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  • 22

    Web Reporting

    although fully functional, this is a pre-framework that you can extend

    Fourfive is a powerful yet extremely easy-to-configure web reporting solution for Oracle and possibly other RDBMS.
    Downloads: 0 This Week
    Last Update:
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  • 23
    A web site, and related applications to centralize your IP. The web site is powered by a database that holds users ip addesses. A user can log on to the site and get his/her ip, and links to servers on his/her computer.
    Downloads: 0 This Week
    Last Update:
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  • 24
    hostingstar.com.au's open source software. To be used primarily for dotnetnuke modules, a cross platform backup system, .net (dotnet) user controls, 3d plugins and many other bits and pieces.
    Downloads: 0 This Week
    Last Update:
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  • 25
    mod_gsoap is an Apache module that allows Apache to serve SOAP requests via the Gsoap library. Modules are available for both Apache 1.3 and 2.x.
    Downloads: 0 This Week
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