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

  • 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.
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    Lay a foundation for success with Tested Reference Architectures developed by Fortinet’s experts. Learn more in this white paper.

    Moving to the cloud brings new challenges. How can you manage a larger attack surface while ensuring great network performance? Turn to Fortinet’s Tested Reference Architectures, blueprints for designing and securing cloud environments built by cybersecurity experts. Learn more and explore use cases in this white paper.
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  • 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!
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    Downloads: 492 This Week
    Last Update:
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  • 2
    EGroupware Enterprise Collaboration
    EGroupware has moved to Github, please find all our downloads there: https://github.com/EGroupware/egroupware/releases EGroupware is a multi-user, web-based groupware suite. Currently available modules include: email, addressbook, calendar, infolog (notes, to-do's, phone calls), content management, wiki, project management, tracker, timesheet, knowledge base, CalDAV/CardDAV
    Downloads: 4 This Week
    Last Update:
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  • 3
    IGSuite - Integrated Groupware Suite

    IGSuite - Integrated Groupware Suite

    IGSuite is a web-ajax-based Integrated Groupware Suite

    IGSuite is a web-based Integrated Groupware Suite oriented to be a CRM solution. In the Suite you can find: IGWebMail, IGCalendar, IGContacts, IGArchive, IGWiki, IGTodo, IGChat, Projects, IGFax an HylaFax client, IGFileManager, IGMsg and many other.
    Downloads: 4 This Week
    Last Update:
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  • 4

    GenerateSignatureFromLDAP

    Automatically generate Outlook signatures based on templates and LDAP.

    Small signature generator for Microsoft Outlook, ideal for use in logon scripts. Outlook signature files are generated based on templates that pull data from Active Directory using LDAP. Also includes a wizard to generate the templates based on your existing Outlook signature(s), without modifying anything on the Exchange Server. Can be run in a logon (or logoff) script to pull Active Directory data and merge it with design template(s) in order to provide unified Outlook signature layout across your organisation.
    Downloads: 5 This Week
    Last Update:
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    Advanced built-in security helps IT prevent breaches before they happen

    Defend against security incidents with Chrome Enterprise. Create customizable controls, manage extensions and set proactive alerts to keep your data and employees protected without slowing down productivity.
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  • 5
    Outlook Open Converter

    Outlook Open Converter

    Convert Outlook and Outlook Express files to open formats

    Tiny application based on readpst and dbxconv that provides a convenient GUI to convert Outlook and Outlook Express files into open standards. The program converts Outlook Express 5/6 .DBX to .EML and Outlook 2003/2007/2010 .PST to MBOX. The program runs only on Linux machines and doesn't need any Microsoft software!
    Downloads: 4 This Week
    Last Update:
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  • 6
    Lucane is a free groupware platform written in Java, designed with extensibilty in mind. Bundled apps are instant messaging, file sharing, chat, forum, personnal notes, shared calendar,audioconf, whiteboard, todolist ... The platform is a simple way t
    Downloads: 2 This Week
    Last Update:
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  • 7
    Application in Python for simple, paperless use of faxes. Speeds up usage of faxed documents (i.e. view them, make notes on them, print, and save the editted version somewhere). Has a GUI and will cooperate with pharmacy tracking software.
    Downloads: 1 This Week
    Last Update:
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  • 8
    MUSC is multiplatform scheduling program and personal information manager with modern design. You can easily create and share your calendar and contacts with other people, get news from RSS, search on internet and more. Support for iCalendar and vCard.
    Downloads: 1 This Week
    Last Update:
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  • 9
    Polskie lokalizacje najpopularniejszych programów dla platformy PortableApps.com i innych. Polish localizations for Platform PortableApps.com and more...
    Downloads: 1 This Week
    Last Update:
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    Simple, Secure Domain Registration

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  • 10
    A Visual Basic Script (VBS) using CDO and XHTML objects to automatically report Microsoft Outlook 98,2k,2k3 (and ?) mailItems placed by the user in a folder named spam (directly under Inbox) to spamcop.net, and log the result in HTML format and move
    Downloads: 1 This Week
    Last Update:
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  • 11
    DEPRECATED - This is now hosted at https://github.com/Yeraze/ytnef ytnef is a program to work with procmail to decode TNEF streams (winmail.dat attachments) like those created with Outlook. Unlike other similar programs, it can also create vCalendar/vCard entries from meeting requests, address cards, and task entries.
    Downloads: 1 This Week
    Last Update:
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  • 12
    Doc2pdf is an email robot that converts Microsoft Office attachments (.doc, .ppt, and .xls) to PDF. Next time you email a Microsoft Office document, CC doc2pdf. Doc2pdf will convert the attachment to PDF, and send it in a reply to all recipients.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 13
    Create collaborative social websites (like Ning, Myspace, Yahoo or Google groups). Each group can create a multiple web pages. They get a drop in guestbook, blog, forum and wiki. Each group is fully customizable using xHTML, CSS, Javascript and PHP.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 14
    ACAT is a Web-based address and contact management system including a full user accountment written in PHP4. ...we also want to provide a collection of perl/java clients to guarantee fast access to the information stored in the database.
    Downloads: 0 This Week
    Last Update:
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  • 15
    Amazon is a groundbraking peer-to-peer based collaborative documentation system in java.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 16
    AutoGTD

    AutoGTD

    Outlook macros for implementing GTD

    AutoGTD provides a set of Outlook Macros to help implement the Getting Things Done concepts in Outlook. It allows configurable shortcuts which are able to bulk move emails to folders, add categories, reminders, and flags with the press of a button. Uses the AutoHotkey code. The source code is available in SVN. Just click Code->SVN Browse and click on trunk.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 17
    ClubGear - A supporting system for a small/medium organization. Based on PHP/MySQL. (If you want to report a bug(or any in the tracker) in Chinese, please make sure you are using the UTF-8(unicode) encoding when you input in any field. Thanks:)
    Downloads: 0 This Week
    Last Update:
    See Project
  • 18
    CollabOffice is a web based Personal Information Manager (PIM) which allows teams to share and work together. It provides email, documents, calendar, contacts, instant messaging, news (nntp), and online web based administration.
    Downloads: 0 This Week
    Last Update:
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  • 19
    The project purpose is to allow SAP R/3 servers to communicate with external devices such as fax and GSM modems by sending and receiving a fax or SMS. The system provides an easy way of configuration based on web interface and JMX console.
    Downloads: 0 This Week
    Last Update:
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  • 20
    FAXALO printer driver is a module used to convert documents from various file formats to black and white TIFF FAX G3 format and forward them to any fax machine via faxalo.it internet fax services only to all italian fax for free. It is based on Popfax pr
    Downloads: 0 This Week
    Last Update:
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  • 21
    The Yahoo PIM Plug-in and connector for Funambol enables the Funambol synchronization platform to synchronize contact list and calendar information with contact lists and calendar stored on the Yahoo service.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 22
    Geographically Independent Office A WWW application to allow SOHO companys to manage their business where the office is spread over a number of geographically seperated office locations.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 23
    A collection of software and guidelines to create a outlook-killer app for Linux. The applications include use of Open-Xchange (a replacement for Suse Linux Open Exchange), Apache, WebDAV, LDAP and iCal.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 24
    Web version of Outlook / Exchange, using SendMail, MySQL, Apache, PHP, htDig and HylaFax.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 25
    The JOutlookMSG project is intended to provide a simple library for reading and writing Outlook .msg files. Since this project is written in Java this should allow non-MAPI enabled OS's to import/export Outlook compatible messages.
    Downloads: 0 This Week
    Last Update:
    See Project
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