Browse free open source Java Office Suites and projects below. Use the toggles on the left to filter open source Java Office Suites 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.
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  • 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.
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  • 1
    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: 8,434 This Week
    Last Update:
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  • 2
    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: 14,356 This Week
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  • 3
    JSignPdf
    JSignPdf is an open-source Java application that adds digital signatures to PDF documents.
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    Downloads: 737 This Week
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  • 4
    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: 527 This Week
    Last Update:
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  • Atera all-in-one platform IT management software with AI agents Icon
    Atera all-in-one platform IT management software with AI agents

    Ideal for internal IT departments or managed service providers (MSPs)

    Atera’s AI agents don’t just assist, they act. From detection to resolution, they handle incidents and requests instantly, taking your IT management from automated to autonomous.
    Learn More
  • 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: 214 This Week
    Last Update:
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  • 6
    JExcelApi is a java library which provides the ability to read, write, and modify Microsoft Excel spreadsheets. This project mirrors the files on http://www.jexcelapi.org, which has been known to go down on occasion.
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    Downloads: 83 This Week
    Last Update:
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  • 7
    CoGrOO: Open|LibreOffice Grammar Checker
    CoGrOO (A LibreOffice & OpenOffice.org Grammar Checker), the only open source Portuguese grammar checker that can be used with LibreOffice & OpenOffice.org.
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    Downloads: 62 This Week
    Last Update:
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  • 8
    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: 45 This Week
    Last Update:
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  • 9
    Writer2LaTeX and Writer2xhtml is a collection of converters from OpenDocument Format (ODF) to LaTeX/BibTeX, HTML+MathML and EPUB. It is delivered as a standalone java library, as a command line application and as extensions for LibreOffice.
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    Downloads: 15 This Week
    Last Update:
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  • AestheticsPro Medical Spa Software Icon
    AestheticsPro Medical Spa Software

    Our new software release will dramatically improve your medspa business performance while enhancing the customer experience

    AestheticsPro is the most complete Aesthetics Software on the market today. HIPAA Cloud Compliant with electronic charting, integrated POS, targeted marketing and results driven reporting; AestheticsPro delivers the tools you need to manage your medical spa business. It is our mission To Provide an All-in-One Cutting Edge Software to the Aesthetics Industry.
    Learn More
  • 10
    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: 14 This Week
    Last Update:
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  • 11
    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
    Last Update:
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  • 12

    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: 5 This Week
    Last Update:
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  • 13
    OpenEngage is a complete, integrated talent and performance management system. It provides web-based multi-rater assessments, cascading business goals, personalized development plans, surveys, reviews. Environments available for VMware and Amazon EC2.
    Downloads: 2 This Week
    Last Update:
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  • 14
    The aim of this project is to develop a Portable Document Format (PDF) importer for OpenOffice.org Writer based on XPDF. This project was inspired by the PDF importer within KWord.
    Downloads: 2 This Week
    Last Update:
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  • 15
    A Pure Java Office suite which is compatible with the MS file formats. Since it doesn't require native libraries, it can be loaded inside any browsers and any platforms. Notably it promotes Enterprise 2.0 by combination of uEngine BPM and web office
    Downloads: 2 This Week
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  • 16
    openPDF
    openPDF is based on a several open source software products, such as iText, JPedal, CryptoApplet among others. Allow users to view/modify PDF documents and forms, barcodes generation, data extraction and signature validation.
    Downloads: 1 This Week
    Last Update:
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  • 17
    OpenCards is a flashcard learning extension for OpenOffice Impress. The basic idea of OpenCards is to use slide-titles as flashcard fronts and the slide contents as their backs.
    Downloads: 2 This Week
    Last Update:
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  • 18
    Analysis

    Analysis

    Application to creating charts.

    The goal of project is delivering useful and simple tools to creating charts. Functionality is provided by modules/plugins (OSGi technology). It allows you to create your plugins or customize Analysis application (by changing installed plugins in application). The Application, thanks to JAVA technology, is portable on the most operating system. In Files page you can find the application and also patches to its.
    Downloads: 1 This Week
    Last Update:
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  • 19
    App Manager
    Appmanager helps you to manage software on your USB-stick.
    Downloads: 1 This Week
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  • 20
    Jeppers is a full featured web-based spreadsheet editor written in Java. It also provides an LGPL grid component that can be used in Swing applications.
    Downloads: 1 This Week
    Last Update:
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  • 21
    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: 1 This Week
    Last Update:
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  • 22
    plutext enables people to collaborate on a docx document at the same time (like Google Docs). plutext is delivered as an Alfresco module. Sourceforge hosts our VMware developer's appliance (Ubuntu's Jeos 7.10, Xfce, Eclipse) also inc docxj and docx4all
    Downloads: 1 This Week
    Last Update:
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  • 23
    EasyNote is a french Open Source (GPL) Java software wich offer means to take notes by writring or drawing, and to share while editing a note on local network. It's a digital notebook!
    Downloads: 1 This Week
    Last Update:
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  • 24
    APLAWS is an Open Source Content Management System. The system has been designed to help UK authorities deliver services online as part of the Office of the Deputy Prime Minister's Local Government Online programme.
    Downloads: 0 This Week
    Last Update:
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  • 25
    This is the project for IBM ODF accessibility contest. It's a plug-in for OpenOffice, to make OpenOffice be able to Check whether the documents have been optimized for people who are experiencing vision loss and/or people who are experiencing hearing lo
    Downloads: 0 This Week
    Last Update:
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