Open Source Windows Software

  • Top-Rated Free CRM Software Icon
    Top-Rated Free CRM Software

    216,000+ customers in over 135 countries grow their businesses with HubSpot

    HubSpot is an AI-powered customer platform with all the software, integrations, and resources you need to connect your marketing, sales, and customer service. HubSpot's connected platform enables you to grow your business faster by focusing on what matters most: your customers.
  • Simplify Purchasing For Your Business Icon
    Simplify Purchasing For Your Business

    Manage what you buy and how you buy it with Order.co, so you have control over your time and money spent.

    Simplify every aspect of buying for your business in Order.co. From sourcing products to scaling purchasing across locations to automating your AP and approvals workstreams, Order.co is the platform of choice for growing businesses.
  • 1
    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
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    Downloads: 203 This Week
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  • 2
    Citizen Intelligence Agency
    Tracking Politicians Like Bugs. Using java, maven, spring 5.x, hibernate 5.2.x, ehcache 2.x, vaadin, javamelody.
    Downloads: 3 This Week
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  • 3
    Bluefish
    Bluefish is a powerful editor for experienced web designers and programmers. Bluefish supports many programming and markup languages, but it focuses on editing dynamic and interactive websites.
    Downloads: 73 This Week
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  • 4
    AROS Research Operating System
    The AROS Research Operating System is an effort to implement an Open Source and portable operating system that is compatible with AmigaOS(TM). Originally, it was meant as a direct reimplementation, but already has features not existing in AmigaOS.
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    Downloads: 98 This Week
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  • Manage your IT department more effectively Icon
    Manage your IT department more effectively

    Streamline your business from end to end with ConnectWise PSA

    ConnectWise PSA (formerly Manage) allows you to stop working in separate systems, and helps you build a more profitable business. No more duplicate data entries, inefficient employees, manual invoices, and the inability to accurately track client service issues. Get a behind the scenes look into the award-winning PSA that automates processes for each area of business: sales, help desk, support, finance, and HR.
  • 5
    Audacity

    Audacity

    A free multi-track audio editor and recorder

    Audacity is a free, easy-to-use, multi-track audio editor and recorder for Windows, Mac OS X, GNU/Linux and other operating systems. Audacity is free software, developed by a group of volunteers and distributed under the GNU General Public License (GPL). Programs like Audacity are also called open source software, because their source code is available for anyone to study or use. There are thousands of other free and open source programs, including the Firefox web browser, the LibreOffice or Apache OpenOffice office suites and entire Linux-based operating systems such as Ubuntu
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    Downloads: 3,872 This Week
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  • 6

    dos2unix

    Dos2Unix / Unix2Dos - Text file format converters

    dos2unix includes utilities to convert text files with DOS or MAC line breaks to Unix line breaks and vice versa. It also includes conversion of UTF-16 to UTF-8.
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    Downloads: 470 This Week
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  • 7
    FreeCAD

    FreeCAD

    a parametric 3D CAD modeler

    This is an official mirror of FreeCAD. Code and release files are primarily hosted on https://github.com/FreeCAD/FreeCAD and mirrored here. FreeCAD is a general purpose feature-based, parametric 3D modeler for CAD, MCAD, CAx, CAE and PLM, aimed directly at mechanical engineering and product design but also fits a wider range of uses in engineering, such as architecture or other engineering specialties. It is 100% Open Source and extremely modular, allowing for very advanced extension and customization. FreeCAD is based on OpenCasCade, a powerful geometry kernel, features an Open Inventor-compliant 3D scene representation model provided by the Coin 3D library, and a broad Python API. The interface is built with Qt. FreeCAD runs exactly the same way on Windows, Mac OSX and Linux platforms.
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    Downloads: 683 This Week
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  • 8
    WinSCP

    WinSCP

    WinSCP is a free SFTP, SCP, S3, WebDAV, and FTP client for Windows.

    WinSCP is a popular free SFTP and FTP client for Windows, a powerful file manager that will improve your productivity. It offers an easy to use GUI to copy files between a local and remote computer using multiple protocols: Amazon S3, FTP, FTPS, SCP, SFTP or WebDAV. WinSCP can copy files between two local folders too. Power users can automate WinSCP using .NET assembly. WinSCP is available in English and many other languages.
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    Downloads: 531,592 This Week
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  • 9
    FreeCol

    FreeCol

    Colonize the New World.

    FreeCol is a turn-based strategy game based on the old game Colonization, and similar to Civilization. The objective of the game is to create an independent nation. You start with only a few colonists defying the stormy seas in their search for new land. Will you guide them on the Colonization of a New World? The last stable version release can be found here: https://sourceforge.net/projects/freecol/files/latest/download The latest test pre-release of the next version can be found here: https://github.com/FreeCol/freecol/releases If you want to contribute to Freecol please visit our welcome information thread to see how here: https://sourceforge.net/p/freecol/discussion/719661/thread/2d0063a3bc/
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    Downloads: 710 This Week
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  • Finance Automation that puts you in charge Icon
    Finance Automation that puts you in charge

    Tipalti delivers smart payables that elevate modern business.

    Our robust pre-built connectors and our no-code, drag-and-drop interface makes it easy and fast to automatically sync vendors, invoices, and invoice payment data between Tipalti and your ERP or accounting software.
  • 10
    MediaPortal

    MediaPortal

    Turn your PC into a very advanced MediaCenter/HTPC

    MediaPortal turns your PC into a very advanced MediaCenter / HTPC. It allows you to listen to your favorite music & radio, watch and store your videos and DVDs, view, schedule and record live TV as a digital video recorder and much much more
    Downloads: 51 This Week
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  • 11
    Tux Paint

    Tux Paint

    An award-winning drawing program for children of all ages

    Tux Paint is a free, award-winning drawing program originally created for children ages 3 to 12, but enjoyed by all! It combines an easy-to-use interface, fun sound effects, and an encouraging cartoon mascot who guides children as they use the program. You're presented with a blank canvas and a variety of drawing tools to help them be creative. Along with paintbrush, shapes and text, Tux Paint includes a "stamp" feature to add pre-drawn or photographic imagery to pictures, and a set of "magic tools" that provide filter effects (like blur, tint and waves) and interesting drawing tools (like train tracks, bubbles and grass). Tux Paint includes a collection of "starter" images, both coloring-book style and photo-realistic, and a large collections of stamps are available as a separate download. Additional content can be added by parents & teachers, or downloaded from 3rd parties. Tux Paint is available for Windows, macOS, Android, Linux, & Haiku operating systems, among others.
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    Downloads: 21,058 This Week
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  • 12
    threadkey

    threadkey

    Add keyboard shortcuts to switch between different thread views

    Strike the 'T' key to sort messages by thread, strike the 'U' key to sort unthreaded again, just like the 'G' key switches to Grouped By Sort view.
    Downloads: 2 This Week
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  • 13
    Jmol

    Jmol

    An interactive viewer for three-dimensional chemical structures.

    Over 1,000,000 page views per month. Jmol/JSmol is a molecular viewer for 3D chemical structures that runs in four independent modes: an HTML5-only web application utilizing jQuery, a Java applet, a stand-alone Java program (Jmol.jar), and a "headless" server-side component (JmolData.jar). Jmol can read many file types, including PDB, CIF, SDF, MOL, PyMOL PSE files, and Spartan files, as well as output from Gaussian, GAMESS, MOPAC, VASP, CRYSTAL, CASTEP, QuantumEspresso, VMD, and many other quantum chemistry programs. Files can be transferred directly from several databases, including RCSB, EDS, NCI, PubChem, and MaterialsProject. Multiple files can be loaded and compared. A rich scripting language and a well-developed web API allow easy customization of the user interface. Features include interactive animation and linear morphing. Jmol interfaces well with JSpecView for spectroscopy, JSME for 2D->3D conversion, POV-Ray for images, and CAD programs for 3D printing (VRML export).
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    Downloads: 1,574 This Week
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  • 14
    Arisen Studio

    Arisen Studio

    Browse, Download and Install Mods for PlayStation 3 & Xbox 360

    The elegant, powerful, and open-source mod manager. Arisen Studio allows you to easily browse through a regularly updated database of mods, game saves, homebrew, resources, themes, and much more for the PlayStation 3 and Xbox 360. All mods have been tested and verified in our library, which is populated by myself, a few friends, and awesome contributors. Arisen Studio can also be used as an FTP client to install and uninstall mods directly from your console. Without the need to search up old posts or use file managers - this will do everything for you.
    Downloads: 5 This Week
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  • 15
    ReportServer Community Edition

    ReportServer Community Edition

    ReportServer is a modern and versatile business intelligence platform

    ReportServer is a modern and versatile open source business intelligence (BI) platform with powerful reporting features. With ReportServer you are not limited to one provider's solutions. ReportServer integrates Jasper, Birt, Mondrian and Excel-based reporting: choose what best suits your needs! The source code is also available in GitHub: https://github.com/infofabrik/reportserver ReportServer scripting samples: https://github.com/infofabrik/reportserver-samples
    Downloads: 43 This Week
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  • 16
    seeddms

    seeddms

    Open Source Document Management System

    SeedDMS is an easy to use but powerful Open Source Document Management System based on PHP and MySQL or sqlite3. Many years of development has made it a mature and enterprise ready plattform for sharing and storing documents.
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    Downloads: 222 This Week
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  • 17
    TortoiseSVN

    TortoiseSVN

    An Apache SVN client, right where you need it most

    TortoiseSVN is a Subversion (SVN) client, implemented as a windows shell extension. Which means it's available right where you need it: in the Windows file explorer. It's intuitive and easy to use, since it doesn't require the Subversion command line client to run. Simply the coolest Interface to (Sub)Version Control!
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    Downloads: 39,339 This Week
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  • 18
    Enigma

    Enigma

    Enigma is a puzzle game

    Enigma is a puzzle game inspired by Oxyd on the Atari ST and Rock and Roll on the Amiga. The object of the game is to find uncover pairs of identically colored Oxyd stones. Simple? Yes. Easy? Certainly not! Hidden traps, vast mazes, laser beams, and, most of all, countless hairy puzzles usually block your direct way to the Oxyd stones ...
    Downloads: 31 This Week
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  • 19
    GPXSee

    GPXSee

    GPS log file viewer and analyzer

    GPS log file viewer and analyzer with support for GPX, TCX, KML, FIT, IGC, NMEA, SLF, SML, LOC, GPI, GeoJSON and OziExplorer files.
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    Downloads: 2,322 This Week
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  • 20
    PhpGedView
    PhpGedView is a revolutionary genealogy program which allows you to view and edit your genealogy on your website. It has full privacy functions, can import from GEDCOM files, and supports multimedia. It also simplifies family collaboration.
    Downloads: 52 This Week
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  • 21
    Pidgin IM

    Pidgin IM

    A universal instant messaging (IM) program

    See https://pidgin.im/about/ for more information. Pidgin is an instant messaging program which lets you log in to accounts on multiple chat networks simultaneously. It runs on Windows, Linux, and other UNIX operating systems. Pidgin is compatible with the following chat networks out of the box: AIM, ICQ, Google Talk, Jabber/XMPP, MSN Messenger, Yahoo!, Bonjour, Gadu-Gadu, IRC, MXit, Novell GroupWise Messenger, Lotus Sametime, SILC, SIMPLE, MySpaceIM, and Zephyr. It is written in C and makes heavy use of GLib and GTK+. Finch is a command line instant messaging program. It also lets you log in to accounts on multiple chat network simultaneously, and it is compatible with the same chat networks as Pidgin. It is written in C and makes heavy use of GLib and ncurses.
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    Downloads: 5,767 This Week
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  • 22
    qBittorrent

    qBittorrent

    A free and reliable P2P BitTorrent client

    An advanced and multi-platform BitTorrent client with a nice Qt user interface as well as a Web UI for remote control and an integrated search engine. qBittorrent aims to meet the needs of most users while using as little CPU and memory as possible.
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    Downloads: 139,028 This Week
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  • 23
    SquirrelMail
    SquirrelMail is a PHP-based Web email client. It includes built-in pure PHP support for IMAP and SMTP, and renders all pages in pure HTML 4.0 for maximum compatibility across browsers. It has strong MIME support and a flexible plugin system.
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    Downloads: 503 This Week
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  • 24
    Hugin

    Hugin

    Panorama photo stitcher

    With Hugin you can assemble a mosaic of photographs into a complete immersive panorama, stitch any series of overlapping pictures and much more.
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    Downloads: 3,036 This Week
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  • 25
    Freeplane

    Freeplane

    Application for Mind Mapping, Knowledge and Project Management

    Application for Mind Mapping, Knowledge Management, Project Management. Develop, organize and communicate your ideas and knowledge in the most effective way.
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    Downloads: 13,518 This Week
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