Open Source Java Software

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

  • Gen AI apps are built with MongoDB Atlas Icon
    Gen AI apps are built with MongoDB Atlas

    The database for AI-powered applications.

    MongoDB Atlas is the developer-friendly database used to build, scale, and run gen AI and LLM-powered apps—without needing a separate vector database. Atlas offers built-in vector search, global availability across 115+ regions, and flexible document modeling. Start building AI apps faster, all in one place.
    Start Free
  • 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.
    Download Free Tool
  • 1
    OmegaT - multiplatform CAT tool

    OmegaT - multiplatform CAT tool

    The free computer aided translation (CAT) tool for professionals

    OmegaT is a free and open source multiplatform Computer Assisted Translation tool with fuzzy matching, translation memory, keyword search, glossaries, and translation leveraging into updated projects.
    Leader badge
    Downloads: 1,807 This Week
    Last Update:
    See Project
  • 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.
    Leader badge
    Downloads: 383 This Week
    Last Update:
    See Project
  • 3
    Liferay Portal

    Liferay Portal

    The world's leading open source portal

    Liferay Portal is the world's leading enterprise open source portal framework, offering integrated Web publishing and content management, an enterprise service bus and service-oriented architecture, and compatibility with all major IT infrastructure. Check GitHub for our latest releases: https://github.com/liferay/liferay-portal/releases https://github.com/liferay/liferay-ide/releases
    Leader badge
    Downloads: 213 This Week
    Last Update:
    See Project
  • 4
    FileBot

    FileBot

    The ultimate TV and Movie Renamer / Subtitle Downloader

    FileBot is the ultimate tool for renaming your movies, tv shows or anime and downloading subtitles. It's smart, streamlined for simplicity and just works. FileBot supports Windows, Linux and Mac, plus there's a full-featured command-line interface for all sorts of automation.
    Leader badge
    Downloads: 104 This Week
    Last Update:
    See Project
  • Our Free Plans just got better! | Auth0 Icon
    Our Free Plans just got better! | Auth0

    With up to 25k MAUs and unlimited Okta connections, our Free Plan lets you focus on what you do best—building great apps.

    You asked, we delivered! Auth0 is excited to expand our Free and Paid plans to include more options so you can focus on building, deploying, and scaling applications without having to worry about your security. Auth0 now, thank yourself later.
    Try free now
  • 5
    eXo Platform - Digital Workplace

    eXo Platform - Digital Workplace

    The open-source digital workplace for growing teams and enterprises.

    eXo Platform is an open-source digital workplace solutions for growing teams and enterprises, featuring: ✅ Internal Communications ✅ Team Collaboration ✅ Knowledge Management ✅ Productivity and Employee Recognition use cases. eXo stands out by: 👍 its fluid and integrated employe experience, on desktop and mobile 👍 the platform’s ease of use 👍 innovative employee engagement features. eXo Platform is developed on open-source technology and supports open standards. The platform is extensible and interoperable, all services are exposed REST APIs. The platform also offers additional security capabilities, developed in collaboration with highly sensitive clients. With eXo Platform, companies can connect, engage and reward their employees, customers, and partners with its social, engagement and gamification capabilities.
    Downloads: 18 This Week
    Last Update:
    See Project
  • 6
    Development of this library has been moved to https://github.com/kordamp/json-lib/ Json-lib is a java library for transforming beans, maps, collections, java arrays and XML to JSON and back again to beans and DynaBeans. It is based on the work by Douglas Crockford in http://www.json.org/java.
    Downloads: 27 This Week
    Last Update:
    See Project
  • 7
    Hyperic Application & System Monitoring
    Hyperic is application monitoring and performance management for virtual, physical, and cloud infrastructures. Auto-discover resources of 75+ technologies, including vSphere, and collect availability, performance, utilization, and throughput metrics.
    Downloads: 22 This Week
    Last Update:
    See Project
  • 8
    NeoDatis ODB is a new generation Object Oriented Database. ODB is a real native and transparent persistence layer for Java, .Net, Groovy, Scala and Google Android. ODB is very simple and very fast and comes with a powerful query language.
    Downloads: 17 This Week
    Last Update:
    See Project
  • 9
    ZK - Simply Ajax and Mobile
    ZK is an open-source Java framework for building modern web and mobile applications. It enables developers to create rich, interactive UIs using only Java — no JavaScript required. With 200+ Ajax-powered components, event-driven architecture, and support for popular technologies like Spring, Java EE, and JSP/JSF, ZK makes it simple to deliver powerful and user-friendly web applications.
    Downloads: 8 This Week
    Last Update:
    See Project
  • Enterprise-grade ITSM, for every business Icon
    Enterprise-grade ITSM, for every business

    Give your IT, operations, and business teams the ability to deliver exceptional services—without the complexity.

    Freshservice is an intuitive, AI-powered platform that helps IT, operations, and business teams deliver exceptional service without the usual complexity. Automate repetitive tasks, resolve issues faster, and provide seamless support across the organization. From managing incidents and assets to driving smarter decisions, Freshservice makes it easy to stay efficient and scale with confidence.
    Try it Free
  • 10
    GDuplicateFinder

    GDuplicateFinder

    GDuplicateFinder - A FREE Groovy way to find file duplicates!

    Unlike other duplicate finders such as Easy Duplicate File Finder, Auslogics Duplicate File Finder, MindGems Fast Duplicate File Finder, Duplicate Cleaner, DupFiles and others, GDuplicateFinder is a FREE cross-platform application, with the ability to search among not just local files, but files on the network, such as a Windows or a Linux share using VFS library. Taking advantage of Groovy facilities and GPars power to process in parallel, GDuplicateFinder will help you get rid of those duplicates you always wanted to dispose in an easy and friendly way. Looking for translators to translate the app! If you'd like to help me, please create a GitHub Issue here (https://github.com/guicamest/GDuplicate-Finder/issues) mentioning the language so that I get notified. Thanks in advance <3 If you want to help me continue improving this app, donate some money through paypal! https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=fezuqqg9t6j6y
    Downloads: 13 This Week
    Last Update:
    See Project
  • 11
    TXM

    TXM

    Unicode XML TEI text analysis platform

    TXM is a free and open-source cross-platform Unicode & XML based text analysis environment and graphical client, supporting Windows, Linux and Mac OS X. It can also be used online as a J2EE standard compliant web portal (GWT based) with access control built in. DOWNLOAD LATEST VERSION OF TXM : http://textometrie.ens-lyon.fr/spip.php?rubrique61&lang=en TXM offers a comprehensive range of analysis tools (concordances, collocate search, frequency lists, etc.) based on the powerfull CQP full text search engine (http://cwb.sourceforge.net) and a range of statistical functions (factorial analysis, classification, cooccurrency analysis, etc.) based on R packages (http://www.r-project.org). Read the scientific background at the Textométrie project web site http://textometrie.ens-lyon.fr/?lang=en. Read a full description at the TEI Tools wiki http://wiki.tei-c.org/index.php/TXM.
    Downloads: 18 This Week
    Last Update:
    See Project
  • 12
    FreeplaneGTD+

    FreeplaneGTD+

    Freeplane add-on for task management and memo taking

    Freeplane is a widely used mind mapping tool. GTD is a time management methodology by David Allen. Freeplane GTD is an addon, that can collect tasks specified in a mindmap, thus allowing the users of Freeplane to use the concepts of GTD in their mind
    Downloads: 15 This Week
    Last Update:
    See Project
  • 13

    GETL

    ETL engine based on Groovy

    P.S. Dear friends. Repository migration to https://github.com/ascrus/getl . You can download jar file from this site or maven. GETL - based package in Groovy, which automates the work of loading and transforming data. His name is an acronym for «Groovy ETL». GETL is a set of libraries of pre-built classes and objects that can be used to solve problems unpacking, transform and load data into programs written in Groovy, or Java, as well as from any software that supports the work with Java classes. GETL taken into account when developing ideas and following requirements: 1. The simpler the class hierarchy, the easier solution; 2. The data structures tend to change over time, or not be known in advance, working with them must be maintained; 3. All routine work ETL should be automated wherever possible; 4. Compiling the code on the fly bail speed and reserve for the optimization; 5. Sophisticated class hierarchy guarantee easy connection of other open source solutions.
    Downloads: 6 This Week
    Last Update:
    See Project
  • 14
    Tools for the recipe collector :-) RecipeFox: A addon to FireFox to grab recipes from the net (like the MasterCook addon in Internet Explorer) A recipe converter: It converts recipes from one format to another, and supports the following formats: - AccuC
    Downloads: 2 This Week
    Last Update:
    See Project
  • 15
    Portofino

    Portofino

    Create a webapp from an existing database in 30 seconds - Java/Groovy

    Portofino is a free and open source web platform that helps developers create outstanding enterprise applications by addressing three specific needs: productivity, features and architecture. Among its features: content management, CRUD, database connectivity, calendars, charts, security and easy customization using Groovy.
    Downloads: 5 This Week
    Last Update:
    See Project
  • 16
    Scipio ERP

    Scipio ERP

    An open source e-commerce solution

    Scipio ERP is an open source e-commerce solution for complex business applications. The vast set of standard applications really lend themselves to further customization. With its built-in clustering and caching mechanisms, the software scales well with large-size operation, making it an ideal choice for mid- to large size companies, or as a hub for an integrated business architecture.
    Downloads: 5 This Week
    Last Update:
    See Project
  • 17
    The Wicket Stuff project makes third party components available using the Wicket web component framework. Subprojects of this project contain integrations for Spring, Groovy, Hibernate, Velocity and other popular Java open source projects.
    Downloads: 6 This Week
    Last Update:
    See Project
  • 18
    Demoiselle

    Demoiselle

    Framework, process, docs and tools to make easy JEE development.

    Root site: http://demoiselle.sourceforge.net. From that, access: framework, components, wizard, sample e process. Releases can be downloaded via Maven from http://demoiselle.sourceforge.net/repository
    Downloads: 2 This Week
    Last Update:
    See Project
  • 19
    Moqui Ecosystem
    The Moqui Ecosystem is a series of open source components for enterprise applications all built on a common framework (Moqui Framework) written in Java and Groovy. The components include tools that plug in to the framework, business artifacts, and applications. Some of the popular tool plug ins include ElasticSearch, Apache FOP, Apache Camel, OrientDB, and Hazelcast. The business artifacts later includes a universal data model (mantle-udm), service library (mantle-usl), reusable screens (SimpleScreens), and integration components for EDI, Authorize.NET, and Shippo. There are 2 main applications in the ecosystem: POP Commerce ERP and eCommerce for retail and wholesale, and HiveMind Project Management and ERP for service organizations. NOTE: the code repositories for Moqui Ecosystem are hosted on GitHub at: https://github.com/moqui
    Downloads: 1 This Week
    Last Update:
    See Project
  • 20
    Inforama - Document Automation. Document templates, generation and distribution. Create letter templates using OpenOffice and import existing Acrobat forms. Merge data to produce high quality PDF documents and automatically email, print and view.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 21
    Osmius
    Osmius: The Open Source Monitoring Tool is C++ and Java. Monitor "everything" connected to a network with incredible performance. Create and integrate Business Services, SLAs and ITIL processes such as availability management and capacity planning.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 22
    UI To the Hadoop HBase Project
    Downloads: 1 This Week
    Last Update:
    See Project
  • 23
    Metl ETL Data Integration

    Metl ETL Data Integration

    Simple message-based, web-based ETL integration

    Metl is a simple, web-based ETL tool that allows for data integrations including database, files, messaging, and web services. Supports RDBMS, SOAP, HTTP, FTP, SFTP, XML, FIXLEN, CSV, JSON, ZIP, and more. Metl implements scheduled integration tasks without the need for custom coding or heavy infrastructure. It can be deployed in the cloud or in an internal data center, and it was built to allow developers to extend it with custom components.
    Downloads: 3 This Week
    Last Update:
    See Project
  • 24
    Nace con la finalidad de llevar los contenidos de la Wikipedia y sus proyectos hermanos a las zonas rurales y todas aquellas donde no haya acceso a Internet. Es una plataforma para la visualización de wikis totalmente offline. http://neblipedia.org
    Downloads: 1 This Week
    Last Update:
    See Project
  • 25
    ProjectForge
    ProjectForge is a Web-based solution for project management including time sheet booking, team calendar, financial administration, and controlling and managing work-break-down-structures. A ready-to-run server and a war file are available.
    Downloads: 1 This Week
    Last Update:
    See Project
  • Previous
  • You're on page 1
  • 2
  • 3
  • 4
  • Next