Open Source Windows Business Software
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Business Software for Windows
View 510 business solutionsBrowse 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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Gen AI apps are built with MongoDB AtlasMongoDB Atlas is the developer-friendly database used to build, scale, and run gen AI and LLM-powered apps—without needing a separate vector database. Atlas offers built-in vector search, global availability across 115+ regions, and flexible document modeling. Start building AI apps faster, all in one place.
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ManageEngine Endpoint Central for IT ProfessionalsManageEngine's Endpoint Central is a Unified Endpoint Management Solution, that takes care of enterprise mobility management (including all features of mobile application management and mobile device management), as well as client management for a diversified range of endpoints - mobile devices, laptops, computers, tablets, server machines etc. With ManageEngine Endpoint Central, users can automate their regular desktop management routines like distributing software, installing patches, managing IT assets, imaging and deploying OS, and more.
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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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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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GnuCash
Personal and small-business finance manager
GnuCash is a personal and small-business finance manager with a check-book like register GUI to enter and track bank accounts, stocks, income and expenses. GnuCash is designed to be simple and easy to use but still based on formal accounting principles. -
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LibreOffice
A free and powerful office suite
LibreOffice is a free and powerful office suite, and a successor to OpenOffice. Its clean interface and feature-rich tools help you unleash your creativity and enhance your productivity. LibreOffice is Free and Open Source Software (FOSS) – development is open to new talent and new ideas, and our software is tested and used daily by a large and devoted user community. Your documents will look professional and clean, regardless of their purpose: a letter, a master thesis, a brochure, financial reports, marketing presentations, technical drawings and diagrams. LibreOffice makes your work look great while you focus on the content, thanks to its powerful styles system and structuring tools. LibreOffice is compatible with a wide range of document formats such as Microsoft® Word (.doc, .docx), Excel (.xls, .xlsx), PowerPoint (.ppt, .pptx) and Publisher. But LibreOffice goes much further with its native support for a modern and open standard (OpenDocument Format). -
Powerful Website Security | Continuous Web Threat PlatformReflectiz is a comprehensive web exposure management platform that helps organizations proactively identify, monitor, and mitigate security, privacy, and compliance risks across their online environments. Designed to address the growing complexity of modern websites, Reflectiz provides full visibility and control over first, third, and even fourth-party components, such as scripts, trackers, and open-source libraries that often evade traditional security tools.
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PNotes is light-weight, flexible, skinnable manager of virtual notes on your desktop. It supports multiple languages, individual note's settings, transparency and scheduling. Absolutely portable as well - no traces in registry. PNotes.NET edition requires .NET framework 4 Client Profile
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LogicalDOC Document Management - DMS
smart and open source document management system
LogicalDOC is both document management and collaboration system. The software is loaded with many functions and allows organizing, index, retrieving, controlling and distributing important business documents securely and safely for any organization and individual. Gone are the days when companies used paper-based processes such as printing, mailing and manual filing of paper documents; our document management system replaces all of this with electronic procedures that allow your organization to reduce costs significantly. Check out https://www.logicaldoc.com to learn more. The design of LogicalDOC is based on best-of-breed Java technologies in order to provide a reliable DMS platform. The main interface is web-based, no need to install anything else; users can access the system through their browser. LogicalDOC CE is 100% free software and is packaged with an open source database; while it supports all major DBMS, developers still recommend MySQL for production systems. -
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MRBS is a system for multi-site booking of meeting rooms. Rooms are grouped by building/area and shown in a side-by-side view. Although the goal was initially to book rooms, MRBS can also be used to book any resource; computers, planes, whatever you want
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Task Coach
Free flexible open source todo manager featuring hierarchical tasks
Task Coach - Your friendly task manager. Task Coach is a free open source todo manager. It grew out of frustration about other programs not handling composite tasks well. In addition to flexible composite tasks, Task Coach has grown to include prerequisites, prioritizing, effort tracking, category tags, budgets, notes, and many other features. However, users are not forced to use all these features; Task Coach can be as simple or complex as you need it to be. Task Coach is available for Windows, Mac OS X, and GNU/Linux; and there is a companion iOS app. -
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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 -
Cloud-Based Software Licensing - Zentitle by Nalpeiron1000’s software companies have used Zentitle to launch new software products fast and control their entitlements easily - many going from startup to IPO on our platform. Our software monetization infrastructure allows you to easily build or
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FET is free timetabling software for schools, high-schools and universities. Scheduling is done automatically. Please visit the project web site https://lalescu.ro/liviu/fet/ to be sure you always have the latest version
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Group Office groupware and CRM
Take your office and CRM into the cloud!
Installation instructions can be found here: https://groupoffice.readthedocs.io/en/latest/install/install.html Group Office is an open source groupware application. It makes your daily office tasks easier. Share projects, calendars, files and e-mail online. It is a complete solution for all your online office needs. From a customer phone call to a project and finally an invoice. The support system helps to keep your customers happy. Group Office is fast, secure and has privacy by design. You can stay in full control of your data by self hosting your cloud and e-mail. Our document editing solution keeps all data on the secured server instead of synchronising it to all user devices. GroupOffice is open source and modular. Which means it’s easy to customise and extend. You can turn off and on features and it enables any developer to create new modules for the platform. -
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jGnash
jGnash Personal Finance
jGnash is a cross platform personal finance application written in Java. jGnash is a double entry system with support for multiple currencies. jGnash can import OFX and QIF files. -
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SuiteCRM Translations
SuiteCRM Translations Language Packs
SuiteCRM, developed and maintained by SuiteCRM Ltd, is the world’s most popular open-source CRM solution. With nearly 2 million downloads and an estimated 5 million users globally, it is the go-to choice for businesses seeking flexibility without compromise. FAQ: Install a new language - https://docs.suitecrm.com/admin/installation-guide/languages/install-a-new-language/ Contribute Languagaes Translations - https://crowdin.com/project/suitecrmtranslations">
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Money Manager Ex
Is an easy to use, money management application.
Money Manager Ex (mmex) is an easy to use, money management application. It is a personal finance manager. It can be used to track your net worth, income vs expenses etc. It runs on Windows, Linux and Mac OSX. -
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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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Mibew Messenger is an open-source live support application allowing visitors of your site to chat with your operators.
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Gordian Knot started out as a simple bitrate calculator for DivX encoding but has evolved to become an integrated package or tool for the entire process of DivX/XviD encoding.
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PHP Address Book
Simple, web-based address & phone book
Simple, web-based address & phone book, contact manager, organizer. Groups, addresses, e-Mails, phone numbers & birthdays. vCards, LDIF, Excel, iPhone, Gmail & Google-Maps supported. PHP / MySQL based. -
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Collabtive
Collabtive is web based project management software. Simple and easy.
Collabtive is web based collaboration software. It is an Open Source alternative for proprietary tools like Active Collab or Basecamp. Features include: Projects, Instant Messenger, Tasks, Files, Timetracking, Multilanguage, Basecamp import -
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Animal Shelter Manager is a complete computer solution for animal sanctuaries and shelters. Features complete animal management, document generation, full reporting, charts, internet publishing, pet search engine integration and more.
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Epesi BIM Free & Open Source CRM
Lighweight CRM, easy to use Kickstarter for web based ERP
EPESI BIM (Business Information Manager) is a fully functional web CRM/ERP application to store, organize, access and share business records. Manage your data precisely, flexibly and easily, simplifying internal communication and making work-flow more efficient. Epesi has been designed as a Kickstarter project and provides "no code" and "low code" environment for developers. You can quickly create your own modules: https://epesi.org/devtutorial/helloworld Setting up EPESI Web Application Server - More information on how to get started can be found here: https://www.epesi.org/adminmanual/installation Simple: automatic or semi-automatic methods: - Setup hosting: https://epesi.cloud/cart.php - no technical expertise needed - Installation on your server via Softaculous autoinstaller: http://www.softaculous.com/apps/erp/EPESI Video tutorial on how to install epesi using Softaculous autoinstaller via cPanel - https://www.youtube.com/watch?v=FR4mQsHUNCY Download it from: - Git -
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Akaunting
Free and Online Accounting Software
From invoicing to expense tracking to accounting, Akaunting has all the tools you need to manage your money online, for free. That's right, completely free. There is no limited or trial version. No hidden charges or setup fees. See your financials online anytime, anywhere on your computer, tablet or phone. We're disrupting the closed-source dominated market and introducing the power of Open Source to accounting world. Akaunting is built with modern technologies such as Laravel, Bootstrap, jQuery, RESTful API etc.">
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Lifeograph
Advanced personal note taking application
Lifeograph is a diary program to take personal notes on life. It has all essential functionality expected in a diary program and strives to have a clean and streamlined user interface. -
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Web-based hardware/software inventory management for Windows, Linux, BSD computers. H-Inventory provides incident and intervention management, user and network management, network maps, services monitoring and application deployment.
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Port of GRISBI a GPL accounting manager (http://www.grisbi.org/) under Windows. Depending of the GRISBI version the port should be done using CYGWIN or in a native way. You will found here all stuff needed to install, use and compile GRISBI under Windows