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

  • Auth0 for AI Agents now in GA Icon
    Auth0 for AI Agents now in GA

    Ready to implement AI with confidence (without sacrificing security)?

    Connect your AI agents to apps and data more securely, give users control over the actions AI agents can perform and the data they can access, and enable human confirmation for critical agent actions.
    Start building today
  • Free and Open Source HR Software Icon
    Free and Open Source HR Software

    OrangeHRM provides a world-class HRIS experience and offers everything you and your team need to be that HR hero you know that you are.

    Give your HR team the tools they need to streamline administrative tasks, support employees, and make informed decisions with the OrangeHRM free and open source HR software.
    Learn More
  • 1
    Technical analysis library with indicators like ADX, MACD, RSI, Stochastic, TRIX... includes also candlestick pattern recognition. Useful for trading application developpers using either Excel, .NET, Mono, Java, Perl or C/C++.
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    Downloads: 10,755 This Week
    Last Update:
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  • 2
    OpenMRS

    OpenMRS

    Open source Health IT for the planet

    OpenMRS is a community-developed, open source, enterprise electronic medical record system. Our mission is to improve health care delivery in resource-constrained environments by coordinating a global community to creates and support this software.
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    Downloads: 246 This Week
    Last Update:
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  • 3
    Makagiga

    Makagiga

    To-do manager, notepad, RSS reader...

    Makagiga is an open-source, easy-to-use, portable application for doing a variety of tasks, such as todo listing, text editing, or RSS reading. Plugins are used to implement its various capabilities.
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    Downloads: 61 This Week
    Last Update:
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  • 4
    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: 54 This Week
    Last Update:
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  • Run applications fast and securely in a fully managed environment Icon
    Run applications fast and securely in a fully managed environment

    Cloud Run is a fully-managed compute platform that lets you run your code in a container directly on top of scalable infrastructure.

    Run frontend and backend services, batch jobs, deploy websites and applications, and queue processing workloads without the need to manage infrastructure.
    Try for free
  • 5
    IMPORTANT NOTICE: This project has moved to GitHub: https://github.com/sarahtattersall/PIPE Releases will be posted here, but please check on GitHub for the most recent activity. Create, model and analyse Petri nets with a standards-compliant Petri net tool. PIPE2 is the active fork of the Platform Independent Petri net Editor project, which originated at Imperial College London.
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    Downloads: 96 This Week
    Last Update:
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  • 6
    Joget

    Joget

    AI Powered Open Source Platform to Easily Build Enterprise Web Apps

    Joget offers an open-source, AI-powered platform that converges no-code/low-code development with AI to rapidly build and customize enterprise applications at scale. By combining AI with visual app builders—not raw code—Joget makes app generation faster, safer, and more accessible for everyone. With Generative AI and Agentic AI capabilities, Joget Intelligence enables organizations to automate and enhance processes while maintaining oversight and compliance. Unlike typical AI code generation, Joget's visual-first approach ensures applications are maintainable and governed within collaborative human workflows. As an Application and Integration Fabric, Joget connects legacy and modern systems seamlessly. Its extensible, open-source core and plugin architecture offer unmatched flexibility, and its White Label solution allows OEMs and digital solution providers to fully rebrand the platform. Trusted by startups, global enterprises, and government agencies across the globe.
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    Downloads: 57 This Week
    Last Update:
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  • 7
    Archimedes: An architecture open CAD
    Archimedes will be a Computer Aided Design (CAD) program developed side by side with architecture offices in order to fulfill all their needs. This way, we hope to develop software better suited for architects than the currently widely used AutoCAD.
    Downloads: 35 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: 26 This Week
    Last Update:
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  • 9
    Turquaz Financial Accounting is a complete double entry finance solution targeting small and medium size enterprizes with Inventory Management, accounts recievable, accounts payable, general ledger, journal, multi currency, advanced report and analysis
    Downloads: 82 This Week
    Last Update:
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  • Contractor Foreman is the most affordable all-in-one construction management software for contractors and is trusted by contractors in more than 75 countries. Icon
    Contractor Foreman is the most affordable all-in-one construction management software for contractors and is trusted by contractors in more than 75 countries.

    For Residential, Commercial and Public Works Contractors

    Starting at $49/m for the WHOLE company, Contractor Foreman is the most affordable all-in-one construction management system for contractors. Our customers in 75+ countries and industry awards back it up. And it's all backed by a 100 day guarantee.
    Learn More
  • 10
    Finanx 12c

    Finanx 12c

    Financial Calculator

    The Finanx 12c is a free software that mimics the HP-12C financial calculator. This software was developed for educational purposes. IT'S NOT RECOMMENDED using this calculator for professional calculations. If you find any bugs, please, let me know. Click "Bugs" in the menu bar to report bugs found.
    Downloads: 20 This Week
    Last Update:
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  • 11
    GTD-Free is personal TODO/action manager inspired by GTD (Getting Things Done) method by David Allen. GTD-Free tries to be simple and easy to use.
    Downloads: 15 This Week
    Last Update:
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  • 12
    Open DICOM Viewer is a small display of medical images. Aimed at displaying images in a web page or patient CD. Developed in Java 1.6.
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    Downloads: 21 This Week
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  • 13
    CARE2X - Integrated Hospital Info System
    Integrated Hospital Information System. PHP,mySQL,PostgreSQL. Surgery, Nursing,Outpatient,Wards,Labs, Pharmacy, Security,Admission,Schedulers, Repair, Communication & more. Multilanguage, WYSIWYG forms, userconfig, embedded workbots. Modular & scalab
    Downloads: 12 This Week
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  • 14
    OpenSearchServer Search Engine

    OpenSearchServer Search Engine

    An open source search engine with RESTFul API and crawlers

    OpenSearchServer is a powerful, enterprise-class, search engine program. Using the web user interface, the crawlers (web, file, database, etc.) and the client libraries (REST/API , Ruby, Rails, Node.js, PHP, Perl) you will be able to integrate quickly and easily advanced full-text search capabilities in your application: Full-text with basic semantic, join queries, boolean queries, facet and filter, document (PDF, Office, etc.) indexation, web scrapping,etc. OpenSearchServer runs on Windows and Linux/Unix/BSD.
    Downloads: 7 This Week
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  • 15
    An open source workbench for chemo- and bioinformatics built on the Eclipse Rich Client Platform (RCP).
    Downloads: 14 This Week
    Last Update:
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  • 16
    Software tools for building interactive information visualization applications. Prefuse supports a rich set of features for data modeling, visualization, animation, and interaction for both Java (prefuse) and Flash (prefuse flare).
    Downloads: 9 This Week
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  • 17
    OpenbravoTech

    OpenbravoTech

    Openbravo ERP is an open-source enterprise resource planning (ERP)

    Openbravo ERP is an open-source enterprise resource planning (ERP) software that helps businesses manage their core business processes, including financial management, purchasing, sales, inventory management, and project management. It is based on a web-based architecture and offers a modular design, allowing businesses to easily customize and extend the software to meet their specific needs. Openbravo ERP is available in both cloud-based and on-premise deployment options and supports multiple languages and currencies. Openbravo POS is an open-source point of sale software designed for retail businesses. It features a web-based interface and runs on various platforms including Windows, Linux, and MacOS. It offers functions such as inventory management, sales reporting, customer management, and support for multiple payment methods. Openbravo POS is highly customizable and can be integrated with other systems such as accounting or e-commerce platforms. Offer Ongoing maintenance
    Downloads: 18 This Week
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  • 18
    Giacenze Crypto

    Giacenze Crypto

    Programma per il calcolo delle plusvalenze Cripto + analisi CSV CDC

    Il programma permette di calcolare le plusvalenze (calcolate attraverso il metodo del LIFO) derivanti dagli scambi di criptovalute un po' su tutte le piattaforme e sulla Defi, inoltre per gli utenti di Crypto.com c’è anche la possibilità di calcolare saldo e giacenza media della Carta Visa e del Fiat Wallet. Le istruzioni sul funzionamento sono reperibili qua : https://sourceforge.net/p/giacenze-crypto-com/wiki/ISTRUZIONI/ Per ulteriori info potete unirvi al gruppo telegram https://t.me/+6kfy5mjov-I2ODY8. Codice Sorgente : https://github.com/Lucapasselli/GiacenzeCrypto
    Downloads: 15 This Week
    Last Update:
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  • 19
    PdfJumbler
    A simple tool to rearrange/merge/delete pages from PDF files. The modular backend system uses either JPedal or JPod to display PDFs and iText or Apache PDFBox to save them. !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Development of this project has moved to GitHub. Please check https://github.com/mgropp/pdfjumbler for current releases! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
    Downloads: 5 This Week
    Last Update:
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  • 20
    JMoney is a personal finance (accounting) manager written in Java. It is built using the Eclipse RCP and can be extended using plug-ins. If you wish your accounts program could do something that it cannot then download JMoney and write a plugin.
    Downloads: 21 This Week
    Last Update:
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  • 21
    SciPlore MindMapping is based on FreeMind but extended with features for students & researchers. It integrates mind maps with reference and pdf management (BibTeX support & PDF Bookmark import). Keywords: Mind maps, Mind Mapping, MindMap, JabRef
    Downloads: 4 This Week
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  • 22
    pj-net-tools

    pj-net-tools

    Pure Java Network Tools

    Pure Java Network Tools. Free portable cross-platform. Include: 01) ICMP-ping, 02) ICMP-traceroute, 03) DNS-check resolver, 04) Parallel Host TCP-scanner, 05) IP-calculator, 06) Syslog-server, 07) Telnet-client, 08) Local ARP-cache request, 09) Parallel Network Ping-Scanner, 10) Snmp-Get concrete value utility. 11) Parallel ICMP flood utility. 12) Parallel UDP flood utility. 13) TFTP-server. 14) NTP-server. 15) Host TCP-ping. 16) SNMP-MRTG traffic monitor. 17) Anonymous FTP-server. 18) Parallel Network TCP-scanner. 19) Parallel Network SNMP-scanner. 20) Parallel Network DNS-scanner. 21) Parallel SNMP-DoS. 22) Parallel HTTP/HTTPS-DoS Need JRE-1.8: https://www.oracle.com/java/technologies/javase/javase8-archive-downloads.html . Source - https://github.com/harp077/pj-net-tools . If you like this - put a star on https://github.com/harp077/pj-net-tools
    Downloads: 20 This Week
    Last Update:
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  • 23
    StatSVN is a metrics-analysis tool for charting software evolution through analysis of Subversion source repositories.
    Downloads: 19 This Week
    Last Update:
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  • 24
    jteklif

    jteklif

    JTeklif, Ücretsiz Teklif Hazırlama Programıdır.

    Bu Program müşterilerilerinize teklif hazırlamanız, bu teklifleri çıktı almanız yada pdf gibi formatlara dönüştürerek müşterinize göndermeniz içindir. Jteklif, Java ile geliştirilen açık kaynaklı, ücretsiz bir yazılımdır. Yazılım için Netbeans ide kullanıldı. Veritabanı için Derby db, MySql, MariaDB kullanılıyor. Geliştirme çalışmaları Pisi Linux işletim sistemi üzerinde yapılmaktadır. Java ile geliştirilmesi sayesinde Java yüklenen her platformda çalışacaktır.
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    Downloads: 19 This Week
    Last Update:
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  • 25
    DataCleaner

    DataCleaner

    Data quality analysis, profiling, cleansing, duplicate detection +more

    DataCleaner is a data quality analysis application and a solution platform for DQ solutions. It's core is a strong data profiling engine, which is extensible and thereby adds data cleansing, transformations, enrichment, deduplication, matching and merging. Website: http://datacleaner.github.io
    Downloads: 5 This Week
    Last Update:
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