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.

  • Gemini 3 and 200+ AI Models on One Platform Icon
    Gemini 3 and 200+ AI Models on One Platform

    Access Google's best plus Claude, Llama, and Gemma. Fine-tune and deploy from one console.

    Build generative AI apps with Vertex AI. Switch between models without switching platforms.
    Start Free
  • Try Google Cloud Risk-Free With $300 in Credit Icon
    Try Google Cloud Risk-Free With $300 in Credit

    No hidden charges. No surprise bills. Cancel anytime.

    Use your credit across every product. Compute, storage, AI, analytics. When it runs out, 20+ products stay free. You only pay when you choose to.
    Start Free
  • 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!
    Leader badge
    Downloads: 522 This Week
    Last Update:
    See Project
  • 2
    TTCalc - a mathematical calculator
    TTCalc is an open source bignum mathematical calculator. It features arithmetical functions, trigonometric functions, inverse trigonometric functions, hyperbolic functions, inverse hyperbolic functions, logical operators, logarithms and so on.
    Leader badge
    Downloads: 6 This Week
    Last Update:
    See Project
  • 3
    openCRX - Enterprise Class CRM

    openCRX - Enterprise Class CRM

    professional CRM and groupware service, ready for the cloud

    openCRX moved to https://github.com/opencrx
    Downloads: 4 This Week
    Last Update:
    See Project
  • 4
    todoyu
    Features: web2.0 project- & task-management, timetracking, team organizing, resource management, calendar, interface for your clients and lots more! Content: see license.txt (file section).
    Leader badge
    Downloads: 3 This Week
    Last Update:
    See Project
  • MongoDB Atlas runs apps anywhere Icon
    MongoDB Atlas runs apps anywhere

    Deploy in 115+ regions with the modern database for every enterprise.

    MongoDB Atlas gives you the freedom to build and run modern applications anywhere—across AWS, Azure, and Google Cloud. With global availability in over 115 regions, Atlas lets you deploy close to your users, meet compliance needs, and scale with confidence across any geography.
    Start Free
  • 5
    A complete server platform for business: web, database, portal, ecommerce, intranet, office, email, virtual office/VPN, security, groupware, CMS, CRM, workflow. Apache, LAMP, WAMP, J2EE, Zope, Webware,Perl,Python, jk2, portal kit, portlet, accounting/ERP
    Downloads: 8 This Week
    Last Update:
    See Project
  • 6
    jLibrary is a DMS (Document Management System), oriented for personal and enterprise use. This double approach make from jLibrary an unique product. With jLibrary, you can classify your documents, videos, or any other media type.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 7
    CuteFlow is a webbased document circulation/workflow tool. Users are able to define "documents" which are send step by step to every user in a list. It's an electronical way for doing (i.e. internal) document circulations.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 8
    Mind Map Architect

    Mind Map Architect

    Program for manipulating with mind maps

    Mind map architect program is good tool for brainstorming for single person just as for team. Mind mapping tools can be usable for todo lists, notes, or work planning.
    Downloads: 5 This Week
    Last Update:
    See Project
  • 9
    Clarion templates for List & Label
    Clarion source code for interfacing to combit's List & Label reporting tool.
    Downloads: 1 This Week
    Last Update:
    See Project
  • Application Monitoring That Won't Slow Your App Down Icon
    Application Monitoring That Won't Slow Your App Down

    AppSignal's Rust-based agent is lightweight and stable. Already running in thousands of production apps.

    Full APM with errors, performance, logs, and uptime monitoring. 99.999% uptime SLA on the platform itself.
    Start Free
  • 10
    CPS Wildfire Management Tool

    CPS Wildfire Management Tool

    A wildfire decision support system and visualization tool from Emxsys.

    The Wildfire Management Tool (WMT) predicts the potential fire behavior of a wildland fire. WMT incorporates a 3D terrain viewer, the tenets of the Campbell Prediction System (CPS) and the Rothermel fire spread equations to depict fire behavior. WMT is used to adjust tactics & strategies to ensure the safety of firefighters and the effective use of firefighting resources. Requires Java 8 (included) - http://www.java.com/download
    Downloads: 1 This Week
    Last Update:
    See Project
  • 11
    OpenCards is a flashcard learning extension for OpenOffice Impress. The basic idea of OpenCards is to use slide-titles as flashcard fronts and the slide contents as their backs.
    Downloads: 3 This Week
    Last Update:
    See Project
  • 12
    Milestones - Day Countdown

    Milestones - Day Countdown

    Create a visual day countdown with intermediate milestones

    Milestones is a web app that allows you to visually countdown the days leading to a certain event using a progress bar graphic. You can also plot milestones on this progress bar to signify certain events that happen before the countdown is over, such as the stages of a project or the terms in a school year. Each milestone also has it's own progress bar.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 13

    Administration Commercial Commitments

    Administration of trade commitments and financial or legal agreements

    The system automates the process, controls, executive information generation, trading activities and implementation of a business commitment, legal or financial. 1. The process begins with the creation of contacts, authors or participants in the process then creates a summary of the commitment, which includes the type of commitments, the clauses and key dates and the status of the negotiation process. 2. The commitment of the relevant information is added to the database can be extracted directly from the original documents or entered manually. 3. During the negotiation stage, the system allows the maintaining of the status of the process and uses this information to present a statistical summary of it. 4. A commitment consists of: Liabilities as defined by the user, and the various stages of negotiation and implementation. 5. The automation of the process and the execution is done by defining a workflow (workflow) and the subsequent generation automatically from a Gantt chart.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 14
    Azúcar (pronunced a-ZOO-car) is a modular content management system designed to be extremely user friendly. It uses postgreSQL, php, PEAR and Phrame MVC . Some of its modules are: users, content, menu, products, events, photo album, contacts, surveys..
    Downloads: 0 This Week
    Last Update:
    See Project
  • 15
    Boxerp is an open source framework for rich desktop client applications. It supports Windows (Windows.Forms and WPF) and also Linux and other POSIX systems (Gtk#).
    Downloads: 0 This Week
    Last Update:
    See Project
  • 16
    Cafe Con Leche (CCL) are a crossplataform library (libccl) to make programs to manage internet cafes and program that does just that using libccl.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 17
    Implementation of standard of security alerts IDMEF in platform J2EE with WebService, JMS and RMI
    Downloads: 0 This Week
    Last Update:
    See Project
  • 18
    DeporXest
    Customizable and cross-platform system for distributed management of local sports facilities, with a client-server model.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 19
    Don Manolo 2 is a point of sale growing to miniERP. It is developing with Ruby & Ruby On Rails.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 20
    ForeL is an AICC compatible e-Learning LMS platform (in ASP) from SpainWex for the tracking and administration of e-Learning courses. Content can be created with Macromedia CourseBuilder and PowerPoint files and other content can easily be integrated.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 21
    This project is not be active anymore and will be deleted in the next future. Gruppy will be a groupware and workflow software written in Python and should serve as base for ERP and other business solutions.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 22
    JGraph Diagram Component
    JGraph is the most powerful, lightweight, feature-rich, and thoroughly documented open-source graph component available for Java. See the project homepage at www.jgraph.com for information and downloads.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 23
    JMagallanes is an open source end user application for Olap and Dynamic Reports written in Java/J2EE. Combines static reports, pivot table and charts. It reads from SQL and other data sources.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 24
    Leilany is a framework to build GUI applications with Python and GTK, using de MVC pattern design. Interested in build the gadgets for invoicing and the necessary requirements. The main goal is make applications with low memory.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 25
    This project aims to offer the SOHO integrated platform to track their customers, the events generated by/with them, the orders and billing, warehouses, customer locations and equipment. Its a CMP/ERP, with its focus on water treatment business, for this
    Downloads: 0 This Week
    Last Update:
    See Project
  • Previous
  • You're on page 1
  • 2
  • Next
MongoDB Logo MongoDB