Open Source Windows Business Software

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

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  • 1
    Apache OpenOffice

    Apache OpenOffice

    The free and Open Source productivity suite

    Free alternative for Office productivity tools: Apache OpenOffice - formerly known as OpenOffice.org - is an open-source office productivity software suite containing word processor, spreadsheet, presentation, graphics, formula editor, and database management applications. OpenOffice is available in many languages, works on all common computers, stores data in ODF - the international open standard format - and is able to read and write files in other formats, included the format used by the most common office suite packages. OpenOffice is also able to export files in PDF format. OpenOffice has supported extensions, in a similar manner to Mozilla Firefox, making easy to add new functionality to an existing OpenOffice installation.
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    Downloads: 234,833 This Week
    Last Update:
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  • 2
    GMAT

    GMAT

    General Mission Analysis Tool

    The General Mission Analysis Tool (GMAT) is an open-source tool for space mission design and navigation. GMAT is developed by a team of NASA, private industry, and public and private contributors. The GMAT development team is pleased to announce the release of GMAT version R2025a. For a complete list of new features, compatibility changes, and bug fixes, see the R2025a Release Notes in the Users Guide.
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    Downloads: 1,484 This Week
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  • 3
    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: 501 This Week
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  • 4

    JasperStarter

    Running JasperReports from command line

    JasperStarter is a command line launcher and batch compiler for JasperReports.
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    Downloads: 117 This Week
    Last Update:
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  • 5
    Random File Picker

    Random File Picker

    Choose (and open) random files from random directories.

    Random File Picker can quickly choose and open random files from a set of directories. Files can be filtered so you can for example look only for images. The directories that you supply to RFP will be scanned for sub-directories (first a directory is chosen, then a file from it). In short it is a tool that makes decisions in your place. Not sure what wallpaper to choose for today? Let it decide for you. Not sure what movie to watch? It can open a random one in just a few clicks.
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    Downloads: 43 This Week
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  • 6
    The Guide
    The Guide is a tree-based information management tool. It lets you to organize information as nodes in a tree. (A two-pane rich-text outliner for Windows.)
    Downloads: 30 This Week
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  • 7
    Barcode4J
    Barcode4J is a flexible generator for barcodes written in Java and available under the Apache License v2.0. Features: Extensions for Apache FOP, Xalan-J and SAXON, Servlet, command-line interface, output to SVG, EPS, Java2D/AWT and bitmaps.
    Downloads: 23 This Week
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  • 8
    Makagiga

    Makagiga

    To-do manager, notepad, RSS reader...

    Makagiga is an open-source, easy-to-use, portable application for doing a variety of tasks, such as todo listing, text editing, or RSS reading. Plugins are used to implement its various capabilities.
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    Downloads: 22 This Week
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  • 9
    ResCarta

    ResCarta

    Archive your personal history

    ResCarta Toolkit offers an open source solution to creating, storing, viewing, and searching digital collections. Applications in the toolkit let users create and edit metadata, convert data to open standard ResCarta format, index and host collections.
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    Downloads: 29 This Week
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    AppSignal installs in minutes and auto-configures dashboards, alerts, and error tracking.

    Works out of the box for Rails, Django, Express, Phoenix, and more. Monitoring exceptions and performance in no time.
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  • 10
    University Timetabling
    UniTime is a comprehensive educational scheduling system that supports developing course and exam timetables, managing changes to these timetables, sharing rooms with other events, and scheduling students to individual classes. It is a distributed system that allows multiple university and departmental schedule managers to coordinate efforts to build and modify a schedule that meets their diverse organizational needs while allowing for minimization of student course conflicts. It can be used alone to create and maintain a school's schedule of classes and/or exams, or interfaced with an existing student information system.
    Downloads: 20 This Week
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  • 11
    C# ECG Toolkit

    C# ECG Toolkit

    ECG Toolkit support for: SCP-ECG, DICOM, HL7 aECG, ISHNE & MUSE-XML

    C# ECG Toolkit is an open source software toolkit to convert, view and print electrocardiograms. The toolkit is developed using C# .NET Framework 2.0 and later (code also supports netstandard2.0). Support for ECG formats: SCP-ECG, DICOM, HL7 aECG, ISHNE, MUSE-XML and OmronECG.
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    Downloads: 23 This Week
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  • 12
    SwiftGantt
    SwiftGantt is a opensource Java swing Gantt Chart component that lets you to display project schedule as Gantt Chart, either client-side or server-side application. It is intended to be flexible, compatible and easy to use.
    Downloads: 41 This Week
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  • 13
    JTrac

    JTrac

    Easy to set up bug tracking with Java

    JTrac is a generic issue-tracking web-application that can be easily customized by adding custom fields and drop-downs. Features include a customizable workflow, field level permissions, e-mail integration, file attachments, a detailed history view and changeable colors to fit a particular CI/CD. After a long hiatus, development has resumed with version 2.2.0 in December 2021, 2.2.1 in February 2022, 2.3.0 in February 2023, 2.3.1 in May 2023, 2.3.2 in July 2023 and 2.3.3 in June 2024. See https://sourceforge.net/p/j-trac/wiki/Home/ for release notes and documentation, and download it at https://sourceforge.net/projects/j-trac/files/jtrac/. Feedback is welcome. JTrac continues to be improved, and has recently been awarded the SourceForge "Open Source Excellence" badge.
    Downloads: 11 This Week
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  • 14
    XL Toolbox

    XL Toolbox

    Data analysis and visualization for Excel, for free

    XL Toolbox is a free Excel statistics addin that helps analyzing and presenting data: Smart custom error bars, chart design, chart export to TIFF; formula builder, transpose wizard, analysis of variance (ANOVA); automatic backups, workbook management and more.
    Downloads: 16 This Week
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  • 15
    NORD POS

    NORD POS

    Enhanced mobile version of POS

    NORD POS Web Application Platform was based on a fork of Openbravo POS. NORD POS Web Application Platform includes Jetty 9 and Apache Derby embedded servers, device drivers, Pentaho Data Integration engine, new Java Swing interface and more the other changes as opposed to Openbravo POS. NORD POS presents a new interface, full cross-platform and support of the many mobile web applications. All in one platform based on Stripes JavaEE Framework. The cashiers and storekeepers have access to data from a tablets or smartphones.
    Downloads: 10 This Week
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  • 16
    Gryptonite

    Gryptonite

    Cross-platform encrypted password and file database

    A user-friendly, cross-platform utility for managing and accessing your most secret data. It stores passwords and whole files, so it can literally store any information you want to keep secret. Access your most-used passwords/URLs right out of a desktop tray icon. For advanced users, it includes a separate utility called Grypto-Transforms, which has a universal hash calculator with all the major hash functions, generic encrypt/decrypt functions and a base64/hex converter. It's not just easy to use, it's also highly secure. Security experts will be happy to know that it uses AES with CCM and has a solid security concept.
    Downloads: 23 This Week
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  • 17

    RepairCenter

    Application for managing the repair company.

    An quick&dirty application that I am writing for my repair shop. Lack documentation, proper error messages and any kind of support. I have no idea when i'll update it again. Consider it abandoned and feel free to pick up.
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    Downloads: 9 This Week
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  • 18
    OpenUEM

    OpenUEM

    Manage your IT assets thanks to its agents and a clean and concise UI

    OpenUEM is an open-source inventory tool that allows you to manage your IT assets thanks to its agents and a clean and concise web user interface. OpenUEM is based on open-source or free tools that are battle-tested to avoid re-inventing the wheel. It allows you to keep track of your IT assets using agents installed on your Windows, Linux (Debian and RedHat based distributions) and MacOS endpoints and provides features like remote file browsing, getting Windows Update and Antivirus status, deploying software via WinGet/Flatpak/Brew, remote assistance with VNC or RDP… OpenUEM server components can be installed in a humble desktop machine with Windows 10 Home, Debian/Ubuntu Linux or any Docker powered environment. If you run a medium-sized or large company, you can use beefier machines and share the load as it has been designed to have distributed components. It can be classified too as a Remote Monitoring and Managing (RMM) or as a Unified Endpoint Management (UEM) tool.
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    Downloads: 26 This Week
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  • 19
    The VCS to ICS Calendar Converter allows you to convert VCALENDAR files (for example generated by Nokia nbuexplorer or Microsoft Works) to the newer iCalendar format, used by Android and iOS for example. It allows the parsing of events and todo's.
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    Downloads: 28 This Week
    Last Update:
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  • 20
    Position Sizer

    Position Sizer

    Risk-based position size calculation tool with extra features

    Position Sizer is a utility panel for MetaTrader 4 and MetaTrader 5 platforms that lets you easily calculate position sizes for trades based on risk tolerance, stop-loss, account size, and the current market conditions. It can be configured and customized in multiple ways: https://www.earnforex.com/metatrader-expert-advisors/Position-Sizer/
    Downloads: 21 This Week
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  • 21
    jBPM

    jBPM

    open-source, flexible Business Process Management (BPM) in Java

    jBPM is a business process management system. The light-weight, embeddable engine can execute native BPMN2. jBPM offers eclipse-based and web-based tooling for developers and business users to create, monitor and manage your processes.
    Downloads: 17 This Week
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  • 22
    Mibew Messenger 3
    Mibew Messenger is an open-source live support application allowing visitors of your site to chat with your operators.
    Downloads: 16 This Week
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  • 23
    Hypernomicon

    Hypernomicon

    Hypertext-infused philosophy personal database software

    Hypernomicon is a personal productivity/database application for researchers that combines structured note-taking, mind-mapping, management of files (e.g., PDFs) and folders, and reference management into an integrated environment that organizes all of the above into semantic networks or hierarchies in terms of debates, positions, arguments, labels, terminology/concepts, and user-defined keywords by means of database relations and automatically generated hyperlinks (hence ‘Hyper’ in the name). Hypernomicon keeps track of all these things in a highly structured, thoroughly indexed and user friendly relational database, automatically generates semantic hyperlinks between all of them, and presents this information in many different forms so that you are constantly informed of ways all of your information is related that you had not realized.
    Downloads: 4 This Week
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  • 24
    Free Academic Timetable Software

    Free Academic Timetable Software

    Free web timetabling software for education and training providers.

    A user friendly web-based timetabling software designed for all types of education and training providers to schedule classes, facilities, trainers and split classes into groups. It was designed by an academic professional with over 5 years experience in education timetabling systems and 14 years experience in the education and training sector. It is easy to set up and is really user friendly for everyone. Comes with manuals, training videos and is free to use and install, but not for sale. To see demo in operation, just visit our website and enter username & password admin to login. This software works on PHP version 5.4 and back. I have used successfully on newer PHP versions upto version 7. If you incounter any database write and looping errors, just set your CPanel PHP to the default 5.4 PHP version and it will work perfectly. Feel free to update the PHP code for newer versions of PHP, but please contribute back upgrades to the community to keep this project alive.
    Downloads: 8 This Week
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  • 25
    EarthWorks

    EarthWorks

    The road cutting and filling quantity analyser and report producer app

    Earthworks is a civil engineering related cutting and filling quantity calculator. It also generates reports in various formats of CSV and PDF. It takes the basic paraments to form the longitudinal section of the road along with the proportions ratio of cuttings and fillings. ================================= V 1.2: 1. Now creates the longitudinal section in CAD softwares. 2. Bug Fixes. ================================== V 1.1: 1. Application freezing, not opening bug fixed. 2. Application closing error fixed. ================================== ======================================= SYSTEM REQUIREMENTS ======================================= Windows: 7/ 8 / 8.1 / 10 (Please note, the ARM version of Windows is not supported for now.) Processor: Intel Pentium 4 or later that's SSE2 capable Ram: 512MB (Min) Architecture: Both x86 and amd64 (x64) binaries are provided for Windows.
    Downloads: 13 This Week
    Last Update:
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