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.

  • Outgrown Windows Task Scheduler? Icon
    Outgrown Windows Task Scheduler?

    Free diagnostic identifies where your workflow is breaking down—with instant analysis of your scheduling environment.

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  • Our Free Plans just got better! | Auth0 Icon
    Our Free Plans just got better! | Auth0

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    You asked, we delivered! Auth0 is excited to expand our Free and Paid plans to include more options so you can focus on building, deploying, and scaling applications without having to worry about your security. Auth0 now, thank yourself later.
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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: 321,448 This Week
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  • 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.
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    Downloads: 205,677 This Week
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  • 3
    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/
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    Downloads: 4,153 This Week
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  • 4
    PeaZip

    PeaZip

    Free Zip software and Rar extractor

    PeaZip is a free archiver tool. The application provides an unified, natively portable, cross-platform file manager and archive manager GUI for many Open Source technologies like 7-Zip, FreeArc, PAQ, UPX. Create: 7Z, ARC, Brotl, BZip, GZip, PEA, TAR, WIM, XZ, ZPAQ, ZIP, Zstandard files and more Open and extract 200+ file types: ACE, CAB, DEB, ISO, RAR, ZIPX and more Features of PeaZip includes extract, create and convert multiple archives at once, create self-extracting archives (sfx), split files, strong encryption with two factor authentication, encrypted password manager, secure deletion, find duplicate files, calculate hashes, export task definition as command line script.
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    Downloads: 1,263 This Week
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  • Atera - The depth of a full-stack IT platform, with the power of AI. Icon
    Atera - The depth of a full-stack IT platform, with the power of AI.

    Atera introduces your autonomous AI agent - Ensure operational efficiency at any scale with 24/7 autonomous IT support.

    Atera prioritizes security and compliance through robust protections that align with industry standards. Our AI-driven features were built on responsible AI principles and empower IT teams to work efficiently while maintaining trust and compliance.
    Learn More
  • 5
    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).
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    Downloads: 673 This Week
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  • 6
    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: 573 This Week
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  • 7
    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
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    Downloads: 268 This Week
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  • 8
    LogicalDOC Document Management - DMS

    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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    Downloads: 218 This Week
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  • 9
    A GUI to ease the process of producing a multipage PDF from a scan. gscan2pdf should work on almost any Linux/BSD machine.
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    Downloads: 196 This Week
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  • Next-Gen Encryption for Post-Quantum Security | CLEAR by Quantum Knight Icon
    Next-Gen Encryption for Post-Quantum Security | CLEAR by Quantum Knight

    Lock Down Any Resource, Anywhere, Anytime

    CLEAR by Quantum Knight is a FIPS-140-3 validated encryption SDK engineered for enterprises requiring top-tier security. Offering robust post-quantum cryptography, CLEAR secures files, streaming media, databases, and networks with ease across over 30 modern platforms. Its compact design, smaller than a single smartphone image, ensures maximum efficiency and low energy consumption.
    Learn More
  • 10
    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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    Downloads: 141 This Week
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  • 11
    phpipam

    phpipam

    phpipam open-source IP address management

    phpipam is an open-source web IP address management application (IPAM). Its goal is to provide light, modern and useful IP address management. It is php-based application with MySQL database backend, using jQuery libraries, ajax and some HTML5/CSS3 features.
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    Downloads: 140 This Week
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  • 12
    Group Office groupware and CRM

    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.
    Downloads: 88 This Week
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  • 13
    SOFA is a statistics, analysis, and reporting program with an emphasis on ease of use, learn as you go, and beautiful output.
    Downloads: 78 This Week
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  • 14
    CMDBuild -Platform for  Asset Management

    CMDBuild -Platform for Asset Management

    Environment for configuring customized applications Asset Management

    CMDBuild is the open source web environment for the configuration of custom applications for the Asset Management. With CMDBuild you can build and extend your own CMDB, modeling it according to the needs of your Organization. You can configure workflows, reports, dashboards, schedule operations and checks, manage documents, georeference your asset in maps or view them in 3D models. You can also interoperate with external solutions through webservices. Or you can choose one of the standard vertical solutions, already configured: CMDBuild READY2USE and openMAINT.
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    Downloads: 240 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: 47 This Week
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  • 16
    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.
    Downloads: 19 This Week
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  • 17
    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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  • 18

    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.
    Downloads: 11 This Week
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  • 19
    qOrganizer is a general organizer that includes a calendar with schedule,reminders,journal/notes for every day, to-do list.But provides features useful for students such as:timetable and a booklet for marks and absences.It's designed to be easy to use.
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    Downloads: 7 This Week
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  • 20
    PHP web-based project management framework that includes modules for companies, projects, tasks (with Gantt charts), forums, files, calendar, contacts, tickets/helpdesk, multi-language support, user/module permissions and themes
    Downloads: 6 This Week
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  • 21
    Epesi BIM Free & Open Source CRM

    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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    Downloads: 3 This Week
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  • 22
    odt2braille
    odt2braille is a Braille extension to OpenOffice.org Writer. odt2braille enables authors to print documents to a Braille embosser and to export documents as Braille files. The Braille output is well-formatted and highly customizable.
    Downloads: 5 This Week
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  • 23
    ezBookkeeping

    ezBookkeeping

    A lightweight personal finance app hosted by yourself.

    ezBookkeeping is a lightweight, self-hosted personal finance app with a user-friendly interface and powerful bookkeeping features. It helps you record daily transactions, import data from various sources, and quickly search and filter your bills. You can analyze historical data using built-in charts or perform custom queries with your own chart dimensions to better understand spending patterns and financial trends. ezBookkeeping is easy to deploy, and you can start it with just one single Docker command. Designed to be resource-efficient, it runs smoothly on devices such as Raspberry Pi, NAS, and MicroServers. ezBookkeeping offers tailored interfaces for both mobile and desktop devices. With support for PWA (Progressive Web Apps), you can even add it to your mobile home screen and use it like a native app. Live Demo: https://ezbookkeeping-demo.mayswind.net
    Downloads: 8 This Week
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  • 24
    Mibew Messenger 3
    Mibew Messenger is an open-source live support application allowing visitors of your site to chat with your operators.
    Downloads: 5 This Week
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  • 25
    Support Incident Tracker

    Support Incident Tracker

    Open source support tracking in your browser

    Support Incident Tracker (or SiT!) is a web based application for tracking technical support calls/emails. Engineers work to Service Level Agreements and incidents are flagged if they stray outside of them.
    Downloads: 1 This Week
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