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

  • Find Hidden Risks in Windows Task Scheduler Icon
    Find Hidden Risks in Windows Task Scheduler

    Free diagnostic script reveals configuration issues, error patterns, and security risks. Instant HTML report.

    Windows Task Scheduler might be hiding critical failures. Download the free JAMS diagnostic tool to uncover problems before they impact production—get a color-coded risk report with clear remediation steps in minutes.
    Download Free Tool
  • Enterprise-grade ITSM, for every business Icon
    Enterprise-grade ITSM, for every business

    Give your IT, operations, and business teams the ability to deliver exceptional services—without the complexity.

    Freshservice is an intuitive, AI-powered platform that helps IT, operations, and business teams deliver exceptional service without the usual complexity. Automate repetitive tasks, resolve issues faster, and provide seamless support across the organization. From managing incidents and assets to driving smarter decisions, Freshservice makes it easy to stay efficient and scale with confidence.
    Try it Free
  • 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.
    Leader badge
    Downloads: 307,055 This Week
    Last Update:
    See Project
  • 2
    KeePass

    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.
    Leader badge
    Downloads: 198,894 This Week
    Last Update:
    See Project
  • 3
    GnuCash

    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.
    Leader badge
    Downloads: 7,199 This Week
    Last Update:
    See Project
  • 4
    Dolibarr ERP - CRM

    Dolibarr ERP - CRM

    Open source ERP and CRM web software for business

    Dolibarr ERP - CRM is an easy to use ERP and CRM open source software package (run with a web php server or as standalone software) for businesses, foundations or freelancers (prospect, invoicing, inventory, warehouse, order, shipment, POS, members for foundations, bank accounts...). Dolibarr is also available with auto-installers for users with no technical knowledge to install Dolibarr and all its prerequisites (Apache, Mysql, PHP) with just one package. Available platforms for such packages are: Windows, Debian, Ubuntu, Mint, Redhat, Fedora, OpenSuse, Mandriva, Mageia. Other platform can use the generic distribution. This is a modular product, than can be enhanced with tons of external modules (to provide you features not available by default) from https://www.dolistore.com Download Dolibarr ERP - CRM here or sign up for 15-day free trial of the cloud-based application with free updates and support at one of the Cloud providers https://saas.dolibarr.org/
    Leader badge
    Downloads: 3,852 This Week
    Last Update:
    See Project
  • Gen AI apps are built with MongoDB Atlas Icon
    Gen AI apps are built with MongoDB Atlas

    The database for AI-powered applications.

    MongoDB 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.
    Start Free
  • 5
    ProjectLibre - Project Management

    ProjectLibre - Project Management

    #1 alternative to Microsoft Project : Project Management & Gantt Chart

    ProjectLibre project management software: #1 free alternative to Microsoft Project w/ 7.8M+ downloads in 193 countries. ProjectLibre is a replacement of MS Project & includes Gantt Chart, Network Diagram, WBS, Earned Value etc. This site downloads our FOSS desktop app. 🌐 Try the Cloud: http://www.projectlibre.com/register/trial We also offer ProjectLibre Cloud—a subscription, AI-powered SaaS for teams & enterprises. Cloud supports multi-project management w/ role-based access, central resource pool, Dashboard, Portfolio View 💡 The AI Cloud version can generate full project plans (tasks, durations, dependencies) from a natural language prompt — in any language. 🌐 Try the Cloud: http://www.projectlibre.com/register/trial 💻 Mac tip: If blocked, go to System Preferences → Security → Allow install 🏆 InfoWorld “Best of Open Source” • Used at 1,700+ universities • 250K+ community 🙏 Support us: http://www.gofundme.com/f/projectlibre-free-open-source-development
    Leader badge
    Downloads: 13,528 This Week
    Last Update:
    See Project
  • 6
    LibreOffice

    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).
    Leader badge
    Downloads: 879 This Week
    Last Update:
    See Project
  • 7
    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).
    Leader badge
    Downloads: 788 This Week
    Last Update:
    See Project
  • 8
    TestLink

    TestLink

    Test & requirements management

    TestLink is a web based Test Management tool. The application provides Test specification, Test plans and execution, Reporting, Requirements specification and collaborate with well-known bug trackers. Repository: https://github.com/TestLinkOpenSourceTRMS
    Leader badge
    Downloads: 600 This Week
    Last Update:
    See Project
  • 9
    PNotes
    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
    Leader badge
    Downloads: 390 This Week
    Last Update:
    See Project
  • AI-generated apps that pass security review Icon
    AI-generated apps that pass security review

    Stop waiting on engineering. Build production-ready internal tools with AI—on your company data, in your cloud.

    Retool lets you generate dashboards, admin panels, and workflows directly on your data. Type something like “Build me a revenue dashboard on my Stripe data” and get a working app with security, permissions, and compliance built in from day one. Whether on our cloud or self-hosted, create the internal software your team needs without compromising enterprise standards or control.
    Try Retool free
  • 10
    GanttProject

    GanttProject

    Free project scheduling and management tool

    GanttProject is a project scheduling application written in Java and featuring Gantt chart, resource management, calendaring, import/export (MS Project, HTML, PDF, spreadsheets). Learn more on http://ganttproject.biz
    Leader badge
    Downloads: 328 This Week
    Last Update:
    See Project
  • 11
    OpenProj - Project Management

    OpenProj - Project Management

    Open Source desktop project management

    OpenProj is an open-source desktop project management application similar to Microsoft Project. OpenProj has a familiar user interface and even opens existing MS Project files. OpenProj is interoperable with Project, Gantt Charts and PERT charts.
    Leader badge
    Downloads: 324 This Week
    Last Update:
    See Project
  • 12
    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
    Leader badge
    Downloads: 183 This Week
    Last Update:
    See Project
  • 13
    Task Coach

    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.
    Leader badge
    Downloads: 175 This Week
    Last Update:
    See Project
  • 14
    Liferay Portal

    Liferay Portal

    The world's leading open source portal

    Liferay Portal is the world's leading enterprise open source portal framework, offering integrated Web publishing and content management, an enterprise service bus and service-oriented architecture, and compatibility with all major IT infrastructure. Check GitHub for our latest releases: https://github.com/liferay/liferay-portal/releases https://github.com/liferay/liferay-ide/releases
    Leader badge
    Downloads: 188 This Week
    Last Update:
    See Project
  • 15
    OpenLP - Free Church Worship Software

    OpenLP - Free Church Worship Software

    Free church worship presentation software

    Open Source Worship Presentation Software. This project has moved to Launchpad: https://launchpad.net/openlp
    Leader badge
    Downloads: 155 This Week
    Last Update:
    See Project
  • 16
    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
    Leader badge
    Downloads: 136 This Week
    Last Update:
    See Project
  • 17
    OxygenOffice Professional(OOOP, O2OP)is an enhanced version of free OpenOffice.org what is a multi-platform office productivity suite.OxygenOffice Professional contains more extras like templates, cliparts, samples, fonts and VBA support. Get 3.2.1
    Downloads: 48 This Week
    Last Update:
    See Project
  • 18
    PDF Split and Merge

    PDF Split and Merge

    Split and merge PDF files on any platform

    Split and merge PDF files with PDFsam, an easy-to-use desktop tool with graphical, command line and web interface.
    Leader badge
    Downloads: 255 This Week
    Last Update:
    See Project
  • 19
    WebCalendar
    Project has moved to github: https://github.com/craigk5n/webcalendar WebCalendar is a PHP application used to maintain a calendar for a single user or an intranet group of users. It can also be configured as an event calendar.
    Downloads: 37 This Week
    Last Update:
    See Project
  • 20
    qdPM - Web-Based Project Management Tool
    qdPM is a free web-based project management tool suitable for a small team working on multiple projects. It is fully configurable. You can easy manage Projects, Tasks and People. Customers interact using a Ticket System that is integrated into Tasks. Compatible with php 7.2+ and php 8.0+
    Downloads: 31 This Week
    Last Update:
    See Project
  • 21
    Mibew Messenger 3
    Mibew Messenger is an open-source live support application allowing visitors of your site to chat with your operators.
    Downloads: 176 This Week
    Last Update:
    See Project
  • 22
    CiviCRM

    CiviCRM

    Growing and Sustaining Relationships

    CiviCRM is an open source and freely downloadable constituent relationship management solution for advocacy, non-profit and other organizations. Learn more at http://civicrm.org
    Downloads: 25 This Week
    Last Update:
    See Project
  • 23
    webTareas

    webTareas

    A WebBased Collaboration OpenSource Tool

    Leader badge
    Downloads: 25 This Week
    Last Update:
    See Project
  • 24
    RepairsLab
    This system allow to manage the entry and exit of equipment repair in a small workshop for repairs or service center. The application allows the printing of a "Repair sheet" for each device and manage the state of repair.
    Downloads: 19 This Week
    Last Update:
    See Project
  • 25
    TWiki Enterprise Collaboration Platform

    TWiki Enterprise Collaboration Platform

    Open Source Enterprise Wiki and Web Application Platform

    Enterprise collaboration platform with over 400 extensions. Users without programming skills can create web applications. 50,000 small businesses, many Fortune 500 companies, and millions of people use TWiki, with installations of 100,000s of pages. Visit http://twiki.org/ for the open source TWiki. The TWiki community is focusing on building the best collaboration platform for the workplace. We invite you to GET INVOLVED! More at http://bit.ly/twGetInv.
    Downloads: 16 This Week
    Last Update:
    See Project
  • Previous
  • You're on page 1
  • 2
  • 3
  • 4
  • Next