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

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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: 255,757 This Week
    Last Update:
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  • 2
    Freeplane

    Freeplane

    Application for Mind Mapping, Knowledge and Project Management

    Application for Mind Mapping, Knowledge Management, Project Management. Develop, organize and communicate your ideas and knowledge in the most effective way. -> https://freeplane.org/ -> https://github.com/freeplane/freeplane
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    Downloads: 10,738 This Week
    Last Update:
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  • 3
    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
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    Downloads: 15,233 This Week
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  • 4
    JSignPdf
    JSignPdf is an open-source Java application that adds digital signatures to PDF documents.
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    Downloads: 624 This Week
    Last Update:
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  • 5
    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.
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    Downloads: 253 This Week
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  • 6
    WordPerfect Document importer
    Library for reading Corel WordPerfect(tm) documents.
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    Downloads: 318 This Week
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  • 7
    XDXF - XML Dictionary Exchange Format
    XDXF is a project to unite all existing open dictionaries and provide both users and developers with universal XML-based format, convertible from and to other popular formats like Mova, PtkDic, StarDict, ABBYY Lingvo etc. * New drafts of format can be found here: https://github.com/soshial/xdxf_makedict/tree/master/format_standard * The development of dictionary converter moved to Github: https://github.com/soshial/xdxf_makedict
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    Downloads: 122 This Week
    Last Update:
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  • 8
    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
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    Downloads: 91 This Week
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  • 9
    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: 82 This Week
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  • 10
    The AbiWord word processor is a full-featured cross-platform word processor.
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    Downloads: 145 This Week
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  • 11
    OOoDocs is the Free and Open repository and development home for all documentation regarding the use, marketing, and anything else about OpenOffice.
    Downloads: 68 This Week
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  • 12
    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: 34 This Week
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  • 13
    A set of libraries and utilities for reading Microsoft Access database (MDB) files. THIS PROJECT HAS MOVED TO GITHUB: https://github.com/mdbtools/mdbtools
    Downloads: 28 This Week
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  • 14
    AikSaurus is a GPL'd thesaurus library for C++. It returns many results, separated by part-of-speech information. The library itself has no particular GUI, and it can be used with any interface you'd like to create for it.
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    Downloads: 61 This Week
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  • 15
    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: 11 This Week
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  • 16
    oopinyinguide
    OO Pinyin Guide is a Java extension for OpenOffice 3 or higher. It enables the user to add pinyin transliteration over Chinese characters inside a text document. This tool can be useful for people learning or teaching Chinese.
    Downloads: 8 This Week
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  • 17
    xml2doc is a tool that allows you to convert an easy xml document to another formats like PDF, HTML, TXT, TEX, DocBook...In other words xml2doc is a lightweight version of DocBook (just 25KB against 100MB)
    Downloads: 10 This Week
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  • 18
    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: 5 This Week
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  • 19
    OOoLilyPond (OLy) is an Extension for OpenOffice.org and LibreOffice. With OLy, you can include musical notation within text and presentation documents. The music expressions are entered as text codes and translated to images (png or eps) using LilyPond. The development has moved to GitHub (https://github.com/openlilylib/LO-ly). You will not find new releases here anymore.
    Downloads: 2 This Week
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  • 20

    AccessODF

    ODF Accessibility Checker for OpenOffice.org and LibreOffice Writer

    AccessODF is an extension for ODF accessibility evaluation and repair in LibreOffice Writer and OpenOffice.org Writer. It supports the creation of word processing documents that are more accessible for people with disabilities, and checks the compatibility with DAISY and Braille.
    Downloads: 4 This Week
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  • 21
    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: 3 This Week
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  • 22
    BSPG is a complete Balanced Scorecard environment comparable to many similar commercial softwares for measurement-based management, running on PostgreSQL. Manages a company strategy, through objectives, measures and targets...many reports and graphics, d
    Downloads: 2 This Week
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  • 23
    ODF-UOF Converter provides a way to convert the docs(text/spreadsheet/presentation) between Open Document Format for Office Application(ODF) and Chinese office file format based on XML(UOF).
    Downloads: 2 This Week
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  • 24
    POM-Pdf dOcuments Modifier.A 100% pure java GUI,based upon the iText library.Features are(or will be) [1]Merging(Complete documents*Range of pages*Set bookmark for each merged document) [2]Converting(pdf2ps*pdf2a)[3]Batch[4]Creation(ps2pdf*a2pdf*doc2pdf)
    Downloads: 2 This Week
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  • 25
    This project seeks to provide a portable ANSI C library to read/write OLE 2 Compound Document Formats (libOle), and to provide a library for reading/writing the Excel file format (libXls).
    Downloads: 2 This Week
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