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.

  • Full-stack observability with actually useful AI | Grafana Cloud Icon
    Full-stack observability with actually useful AI | Grafana Cloud

    Our generous forever free tier includes the full platform, including the AI Assistant, for 3 users with 10k metrics, 50GB logs, and 50GB traces.

    Built on open standards like Prometheus and OpenTelemetry, Grafana Cloud includes Kubernetes Monitoring, Application Observability, Incident Response, plus the AI-powered Grafana Assistant. Get started with our generous free tier today.
    Create free account
  • Go from Code to Production URL in Seconds Icon
    Go from Code to Production URL in Seconds

    Cloud Run deploys apps in any language instantly. Scales to zero. Pay only when code runs.

    Skip the Kubernetes configs. Cloud Run handles HTTPS, scaling, and infrastructure automatically. Two million requests free per month.
    Try it free
  • 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
    Leader badge
    Downloads: 4,792 This Week
    Last Update:
    See Project
  • 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
    Leader badge
    Downloads: 13,189 This Week
    Last Update:
    See Project
  • 3
    JSignPdf
    JSignPdf is an open-source Java application that adds digital signatures to PDF documents.
    Leader badge
    Downloads: 611 This Week
    Last Update:
    See Project
  • 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!
    Leader badge
    Downloads: 493 This Week
    Last Update:
    See Project
  • 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.
    Try Retool free
  • 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.
    Leader badge
    Downloads: 174 This Week
    Last Update:
    See Project
  • 6
    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.
    Leader badge
    Downloads: 98 This Week
    Last Update:
    See Project
  • 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:
    See Project
  • 8
    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.
    Downloads: 59 This Week
    Last Update:
    See Project
  • 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.
    Leader badge
    Downloads: 22 This Week
    Last Update:
    See Project
  • AI-powered service management for IT and enterprise teams Icon
    AI-powered service management for IT and enterprise teams

    Enterprise-grade ITSM, for every business

    Give your IT, operations, and business teams the ability to deliver exceptional services—without the complexity. Maximize operational efficiency with refreshingly simple, AI-powered Freshservice.
    Try it Free
  • 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.
    Leader badge
    Downloads: 10 This Week
    Last Update:
    See Project
  • 11
    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
    Last Update:
    See Project
  • 12
    Java Calculator

    Java Calculator

    Supports PEDMAS order of computation and Reverse Polish Notation Gener

    Generates the Reverse Polish Notation (Postfix) expression form of an arithmetic expression in (Infix) form. Performs the computation of the arithmetic expression if Integers or Floating point numbers are used in the expression. Supports PEDMAS order of computation, thus, all the operators of Exponentiation, Division, Multiplication, Addition and Subtraction, as well as using Parentheses for grouping and prioritization is all handled.
    Downloads: 6 This Week
    Last Update:
    See Project
  • 13
    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: 6 This Week
    Last Update:
    See Project
  • 14

    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
    Last Update:
    See Project
  • 15
    An open office (ODF) mail merge library. It is a replacement for the rather tired mailmerge project.
    Downloads: 3 This Week
    Last Update:
    See Project
  • 16
    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
    Last Update:
    See Project
  • 17
    App Manager
    Appmanager helps you to manage software on your USB-stick.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 18
    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: 2 This Week
    Last Update:
    See Project
  • 19
    “Nota – Il software gestionale” è un software che consente di gestire le attività contabili/gestionali di una piccola-media azienda. Il software inoltre prevede la possibilità di gestire il proprio magazzino e consente di curare molti aspetti del ciclo di vita aziendale. Potrebbe essere avvicinato molto anche ad un CRM, fornendo infatti come quest'ultimo strumenti per l'intera gestione aziendale. “Nota – Il software gestionale” è inoltre un framework che consente di sviluppare velocemente software gestionale per qualsiasi propria esigenza. Adatto sia per uso personale che aziendale è ideale per la gestione dell'attività di professionisti e piccole-medie aziende.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 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: 1 This Week
    Last Update:
    See Project
  • 21
    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
    Last Update:
    See Project
  • 22
    OS Optiek is a open source customer relationship management (CRM) software application for opticians.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 23
    Free Java Office suite on the Web.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 24
    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: 1 This Week
    Last Update:
    See Project
  • 25
    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:
    See Project
  • Previous
  • You're on page 1
  • 2
  • 3
  • 4
  • 5
  • Next
MongoDB Logo MongoDB