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.

  • $300 Free Credits for Your Google Cloud Projects Icon
    $300 Free Credits for Your Google Cloud Projects

    Start building on Google Cloud with $300 in free credits. No commitment, no credit card required until you're ready to scale.

    Launch your next project with $300 in free Google Cloud credits—no strings attached. Test, build, and deploy without risk. Use your credits across the entire Google Cloud platform to find what works best for your needs. After your credits are used, continue with always-free tier services. Only pay when you're ready to scale. Sign up in minutes and start exploring.
    Start Free Trial
  • Build Agents and Models on One Platform Icon
    Build Agents and Models on One Platform

    Everything you need to build production-ready agents and models. Access 200+ Google and third-party AI models and tools.

    Gemini Enterprise Agent Platform is Google Cloud's comprehensive platform for developers to build, scale, govern, and optimize agents and models. Choose from Google's most advanced models and third-party models like Anthropic's Claude Model Family.
    Try It Free
  • 1
    A Spring-based IoC, AOP and MVC framework for Java ME (J2ME). Both MIDP and LWUIT APIs are supported.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 2
    This project tries to create a very simple gui framework for Java(tm)
    Downloads: 0 This Week
    Last Update:
    See Project
  • 3
    Think that Struts is still not good enough, check out SilkRoad,the J2EE web application framework, it is a complete solution include all the layer for an application, but much smaller and easier than Struts
    Downloads: 0 This Week
    Last Update:
    See Project
  • 4
    Simple Application Server framework. Create simple web services in an easy way.
    Downloads: 0 This Week
    Last Update:
    See Project
  • Cut Data Warehouse Costs by 54% Icon
    Cut Data Warehouse Costs by 54%

    Easily migrate from Snowflake, Redshift, or Databricks with free tools.

    BigQuery delivers 54% lower TCO with exabyte scale and flexible pricing. Free migration tools handle the SQL translation automatically.
    Try Free
  • 5
    A simple client-server framework.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 6
    SimDB is an object-relational database persistence library with emphasis on simplicity and ease of use. It follows the Model-Driven paradigm, providing an effective implementation of object/relational mapping on top of JDBC and standard SQL.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 7
    Web-based Information Systems for Everybody. Declare screens and DB tables of your application in XML, and have JSPs, session & CMP entity EJBs generated automatically. All that is needed to develop are business logic model classes as POJO.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 8
    ¨Simple Grid Framework¨ is framework to develop grid commercial applications for many grids middleware. Currently it implements OurGrid and Globus interface.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 9
    Simple FlowScope is a Spring Custom scope that can be configured by 1 line and is able to keep your beans as long as they are referenced somewhere during the JSF lifecycle. It allows your JSF beans to have a lifetime between Request and Session.
    Downloads: 0 This Week
    Last Update:
    See Project
  • Save Up to 91% on Cloud Compute With Spot VMs Icon
    Save Up to 91% on Cloud Compute With Spot VMs

    Automatic sustained-use discounts. One free VM per month. No negotiation needed.

    Run batch jobs at 60-91% off with Spot VMs. Long-running workloads get automatic discounts with sustained use.
    Try Free
  • 10
    gcli is a simple command line interface (CLI) implementation for Java. Adding a new command is simple as writing a new java class, decorating it with few annotations (if needed) and that's it!
    Downloads: 0 This Week
    Last Update:
    See Project
  • 11
    Collection of lightweight java framework codes including DAL, Configuration Management, Workflow, Threadpool etc., with less than 10 files per framework, no or minimum external dependencies, easy to use APIs
    Downloads: 0 This Week
    Last Update:
    See Project
  • 12
    The "Simple Java Plug-In System" is ideal for beginners, which would like to build there first extendable java application without spending to much time in the plugin system. Load easily external Java Ressources and build Objects!
    Downloads: 0 This Week
    Last Update:
    See Project
  • 13
    Provides a framework to allow multiple components of a program communicate through a singular interface.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 14
    A collection of simple java servlets, such as web site, upload, download, webdav, redirect, proxy, cgi and web start. You can use the servlets and web site projects as-is or quickly create a custom servlet from one of the templates.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 15
    The Sitast(Simple Tapestry Stack) library project provides stack and ajax behaviour for the Tapestry java web application framework.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 16
    SimpleWebTest is an web auto test framework, which can simplify your coding auto test script. It supplies capturing web page element tool called UI Map. You can implement auto test script for ajax web site agilely, maintenance just spend little time.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 17
    Simple WebStrut is a simple webframework depend on Servlet,Spring2.5.x and Xwork2.0.X ,This project provide a simple component to dispatcher request like struts and diff to struts.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 18
    The project that closes the gap between Marauroa and an actual Game/Application Java Project: Source Repository: https://bitbucket.org/javydreamercsw/simple-marauroa-java Issue Tracker: https://simple-marauroa.jira.com/browse/SMS NetBeans RCP Project: Source Repository: https://bitbucket.org/javydreamercsw/simple-marauroa-rcp Issue Tracker: https://simple-marauroa.jira.com/browse/SMSR
    Downloads: 0 This Week
    Last Update:
    See Project
  • 19
    Libreria llevar para controlar el debug y log de errores de aplicaciones
    Downloads: 0 This Week
    Last Update:
    See Project
  • 20
    The SimpleJTA project implements a standalone JTA compliant Transaction Manager. It is primarily designed to be used when a J2EE server is not available, for example, in Servlet applications, or standalone Java programs.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 21
    The Simple MySQL Java Library, designed to make MySQL Database access in Java very similar to PHP.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 22
    Simplest Ever REST Framework for Java
    SerfJ means Simplest Ever REST Framework for Java (http://serfj.sourceforge.net). Provides a lightweight MVC for Java web apps which can interpret REST URLs and dispatch it to a controller and then show the appropriated view or serialized object
    Downloads: 0 This Week
    Last Update:
    See Project
  • 23
    Are Plain Old Java Objects (POJOs) to complex? The aim of this framework is, to convert JavaBeans (complex Java-Object graphs) in a simplified representation (JSON, XML, CSV or other object structures) or handle and control access to JavaBean properties.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 24
    A software library to bridge Simpull, a 2D Java Physics Engine, and PulpCore, a 2D rendering and animation framework. This will expand the capabilities of PulpCore to include physics simulations. Just extend SimpullScene2D and have at it!
    Downloads: 0 This Week
    Last Update:
    See Project
  • 25
    SingletDAO
    SingletDAO is a simple java data access frame work to access data in database. A Single Data Access Object to access data in database and eliminates writing custom DAOs. Easy to plug-in. Easy to manage SQL queries. Supports JSON.
    Downloads: 0 This Week
    Last Update:
    See Project
Monday.com Logo