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

  • Ship AI Apps Faster with Vertex AI Icon
    Ship AI Apps Faster with Vertex AI

    Go from idea to deployed AI app without managing infrastructure. Vertex AI offers one platform for the entire AI development lifecycle.

    Ship AI apps and features faster with Vertex AI—your end-to-end AI platform. Access Gemini 3 and 200+ foundation models, fine-tune for your needs, and deploy with enterprise-grade MLOps. Build chatbots, agents, or custom models. New customers get $300 in free credit.
    Try Vertex AI Free
  • Deploy Apps in Seconds with Cloud Run Icon
    Deploy Apps in Seconds with Cloud Run

    Host and run your applications without the need to manage infrastructure. Scales up from and down to zero automatically.

    Cloud Run is the fastest way to deploy containerized apps. Push your code in Go, Python, Node.js, Java, or any language and Cloud Run builds and deploys it automatically. Get fast autoscaling, pay only when your code runs, and skip the infrastructure headaches. Two million requests free per month. And new customers get $300 in free credit.
    Try Cloud Run Free
  • 1
    Hibernate-Examples used in book about Hibernate 3: Robert F. Beeger, Arno Haase, Stefan Roock, Sebastian Sanitz: Hibernate - Persistenz in Java-Systemen mit Hibernate 3, dpunkt.verlag.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 2
    Library of annotations and boiler plate code to connection hibernate annotated objects that represent data tables with SWT Widgets; with the goal of rapid CRUD operation capabilities through an SWT GUI. The project goals maybe expanded in the future.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 3
    This project is an attempt to solve issues we face while using hibernate.Currently solving these four problems: 1)Updating object delete null data. 2)Projection returns list of object[] instead of pojo. 3)Don't write HQL 4)Paging logic rewrit
    Downloads: 0 This Week
    Last Update:
    See Project
  • 4
    An utility library allows to use multiple datasources within one Spring application context.
    Downloads: 0 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
  • 5
    Hijax is a web framework supporting AJAX-based development. It links Javascript client events to server code (Java), and allows modifying the page content from the server event handlers, even for standard HTML files (no serverside tags needed).
    Downloads: 0 This Week
    Last Update:
    See Project
  • 6
    Hippal is an integrating GUI-framework for a multimodular symbolic A.I.-system IPAL, which combines A.I. Planning, Inductive Program Synthesis, Analogical Reasoning and Learning. Hippal is client-/server-based and uses the Lili Lisp Interpreter as Centr
    Downloads: 0 This Week
    Last Update:
    See Project
  • 7
    Hippikon is a powerful authorization API that was developed for enterprise software applications and is now provided free under the GNU LGPL. Hippikon may be integrated in any java application or framework to provide complex security models with ease.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 8
    Simplifies programming creation of Java Swing presentation layer. Contains GUI components, binding framework, localization, input validation, many utils. New!!! Hippopotam Designer for visual layout components uses GridBagLayout (planned SpringLayout ).
    Downloads: 0 This Week
    Last Update:
    See Project
  • 9
    HiveMind Utilities is a set of utilities for HiveMind including HiveTranse (transaction management), HiveLock (security), HiveRemoting, HiveEvents, HiveGUI and HiveUtils. These utilities can be useful to any applications based on Hivemind.
    Downloads: 0 This Week
    Last Update:
    See Project
  • Run Any Workload on Compute Engine VMs Icon
    Run Any Workload on Compute Engine VMs

    From dev environments to AI training, choose preset or custom VMs with 1–96 vCPUs and industry-leading 99.95% uptime SLA.

    Compute Engine delivers high-performance virtual machines for web apps, databases, containers, and AI workloads. Choose from general-purpose, compute-optimized, or GPU/TPU-accelerated machine types—or build custom VMs to match your exact specs. With live migration and automatic failover, your workloads stay online. New customers get $300 in free credits.
    Try Compute Engine
  • 10
    Hokan is an IRC bot developed using Java programming language and using PircBot framework. First version development was started around year 2001. Join #HokanDEV@IRCNet to find out more! Current version of Hokan is maintained in GitHub: https://github.com/petria/hokan_ng
    Downloads: 0 This Week
    Last Update:
    See Project
  • 11
    HoneyComb Margo

    HoneyComb Margo

    POM Creator to be utilized in Selenium Automation Testing

    HoneyComb project has a big picture to bring QTP like features in Selenium development, POM creator is one of the milestone around the same, it can create POM+Factory class for given HTML code. Its still under testing; So in case for any HTML it didnt provide proper POM please feel free to report it as nilesh.shegokar@gmail.com
    Downloads: 0 This Week
    Last Update:
    See Project
  • 12
    HongaBongaFramework is a light weight front tier library for the J2EE Architecture. You can configure the controller logic and bean management through the configuration file. It comes with a basic set of tag library.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 13
    HotBeans is a framework for Java bean modules that may be deployed, updated and rolled back in runtime, without interrupting ongoing transactions. Modules are packaged as simple jar files, containing deployment descriptor and application libraries.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 14
    Syboos Htmllib is a JavaServer Faces(JSF) implementation for common html elements(<table>, <tr>, <div> etc).
    Downloads: 0 This Week
    Last Update:
    See Project
  • 15
    This library enables restoring J2EE HttpSession in case user closes his/her browser window accidently and when the user logins in again, the new HttpSession is restored from the user's old HttpSession. This all is done transparently using this library.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 16
    HttpdBase4J is an embeddable Java web server framework that supports HTTP, HTTPS, templated content and serving content from inside an archive.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 17
    btp2p stands for Bluetooth p2p and it is a collection of java classes for p2p networks over Bluetooth. Useful for CLDC multiplayer games and other applications with extendable design for layered protocols. HuNt is a chatroom midlet based on btp2p.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 18
    Hula is a servlet-based framework for developing html-based application interfaces. Hula is structured to both make development and deployment of applications simple and to keep support costs low.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 19
    A Spring-powered, high-performance distributed cache.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 20
    By allowing you to simply and efficiently move data from Relational to Java Objects to XML and back again, Hydrate gives you the tools to merge, manipulate and report on data from your strategic and legacy reference data, and enterprise data warehouses.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 21
    A small set of tools for use with the Wicket web framework
    Downloads: 0 This Week
    Last Update:
    See Project
  • 22
    Hypo is an extensible, Aspect-driven Dependency Injection Framework for Java.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 23
    I-FORM aims to be an innovative highly configurable reputation framework. It's written in Java, so its use can be combined with all related technologies to implement a fully featured reputation system on either a pre-existing or new web-site.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 24
    IBDOM is a JavaScript framework that enables the easy injection of data contained in JS objects, and collections of JS Objects, into HTML, XHTML, and XML Documents, via the DOM. Enables keeping Markup away from JS. Can be used with DWR or RJS Templates.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 25
    Integrate the power of the fully AJAX enabled technology of ICEfaces into the framework of the ESRI WebADF. No need to code in Javascript or to handle XML communication to build AJAX functionalities. OnlineDemo: http://www2.pch.etat.lu/pchViewer
    Downloads: 0 This Week
    Last Update:
    See Project
MongoDB Logo MongoDB
Gen AI apps are built with MongoDB Atlas
Atlas offers built-in vector search and global availability across 125+ regions. Start building AI apps faster, all in one place.