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.

  • Desktop and Mobile Device Management Software Icon
    Desktop and Mobile Device Management Software

    It's a modern take on desktop management that can be scaled as per organizational needs.

    Desktop Central is a unified endpoint management (UEM) solution that helps in managing servers, laptops, desktops, smartphones, and tablets from a central location.
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  • G-P - Global EOR Solution Icon
    G-P - Global EOR Solution

    Companies searching for an Employer of Record solution to mitigate risk and manage compliance, taxes, benefits, and payroll anywhere in the world

    With G-P's industry-leading Employer of Record (EOR) and Contractor solutions, you can hire, onboard and manage teams in 180+ countries — quickly and compliantly — without setting up entities.
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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: 5,150 This Week
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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: 5,360 This Week
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  • 3
    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: 770 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: 558 This Week
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  • eProcurement Software Icon
    eProcurement Software

    Enterprises and companies seeking a solution to manage all their procurement operations and processes

    eBuyerAssist by Eyvo is a cloud-based procurement solution designed for businesses of all sizes and industries. Fully modular and scalable, it streamlines the entire procurement lifecycle—from requisition to fulfillment. The platform includes powerful tools for strategic sourcing, supplier management, warehouse operations, and contract oversight. Additional modules cover purchase orders, approval workflows, inventory and asset management, customer orders, budget control, cost accounting, invoice matching, vendor credit checks, and risk analysis. eBuyerAssist centralizes all procurement functions into a single, easy-to-use system—improving visibility, control, and efficiency across your organization. Whether you're aiming to reduce costs, enhance compliance, or align procurement with broader business goals, eBuyerAssist helps you get there faster, smarter, and with measurable results.
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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: 170 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: 93 This Week
    Last Update:
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  • 7
    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: 44 This Week
    Last Update:
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  • 8
    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: 18 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: 14 This Week
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  • Axe Credit Portal - ACP- is axefinance’s future-proof AI-driven solution to digitalize the loan process from KYC to servicing, available as a locally hosted or cloud-based software. Icon
    Axe Credit Portal - ACP- is axefinance’s future-proof AI-driven solution to digitalize the loan process from KYC to servicing, available as a locally hosted or cloud-based software.

    Banks, lending institutions

    Founded in 2004, axefinance is a global market-leading software provider focused on credit risk automation for lenders looking to provide an efficient, competitive, and seamless omnichannel financing journey for all client segments (FI, Retail, Commercial, and Corporate.)
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  • 10
    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.
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    Downloads: 10 This Week
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  • 11
    The Cryptographic Hash Functions UNO Component for OpenOffice.org computes hashes (message digests) of text and files using following hashing algorithms: MD2, MD5, SHA-1, SHA-256, SHA-384 and SHA-512
    Downloads: 5 This Week
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  • 12
    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: 4 This Week
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  • 13
    OpenOffice.org extension for creation and editing of chemical structures embedded into OOo documents
    Downloads: 2 This Week
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  • 14

    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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  • 15

    Mr Tooth Dental Software

    The Mr Tooth aims to manage dental clinics

    The software basically consists of a simple and functional application for a dental office, aimed at streamlining administration processes them. Done through an analysis of the data that is processed through reports, did during his visits to the clinic. Through a previously scheduled interview with staff of this clinic noticed the lack of technology making it difficult to register and control the flow of patients and payments.
    Downloads: 1 This Week
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  • 16
    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: 3 This Week
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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: 4 This Week
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  • 18
    App Manager
    Appmanager helps you to manage software on your USB-stick.
    Downloads: 2 This Week
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  • 19
    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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  • 20
    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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  • 21
    Itadaki is a Japanese language toolset for OpenOffice. It offers features intended for students and translators, including furigana (reading) annotation for Japanese text and an integrated dictionary.
    Downloads: 1 This Week
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  • 22
    Xelem is a compact Java-library to read and write Excel files of type SpreadsheetML. It can produce sophisticated, intricate and complex spreadsheets from within any Java program. And, since the release of xelem.2.0, it can read xml-spreadsheets.
    Downloads: 1 This Week
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  • 23
    Mass File Renamer

    Mass File Renamer

    mass file renamer

    This is a software to rename all files within a folder with a specified starting name and file extension. CHECK OUT AND SUPPORT MY LATEST ANDROID PROJECTS IN HERE: https://play.google.com/store/apps/developer?id=Deepak+PK
    Downloads: 1 This Week
    Last Update:
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  • 24
    XFLOW is a pure Open Source J2EE platform for building, executing and managing workflows/business processes. Using XFLOW you can easily workflow-enable your existing applications and components. XFLOW is designed to be extensible, easy to manage & deploy
    Downloads: 1 This Week
    Last Update:
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  • 25
    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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