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

  • 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
  • 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
  • 1
    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: 118 This Week
    Last Update:
    See Project
  • 2
    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: 18 This Week
    Last Update:
    See Project
  • 3
    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: 9 This Week
    Last Update:
    See Project
  • 4
    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: 3 This Week
    Last Update:
    See Project
  • Atera - The depth of a full-stack IT platform, with the power of AI. Icon
    Atera - The depth of a full-stack IT platform, with the power of AI.

    Atera introduces your autonomous AI agent - Ensure operational efficiency at any scale with 24/7 autonomous IT support.

    Atera prioritizes security and compliance through robust protections that align with industry standards. Our AI-driven features were built on responsible AI principles and empower IT teams to work efficiently while maintaining trust and compliance.
    Learn More
  • 5
    JLink lets users author flow charts based on ISO 5807 and IBM standards. Developers can use JLink to add flowcharts to applications, serve a flow chart over the web in PDF or PNG, or dynamically create a flowchart with Javascript, Python or Ruby scripts
    Leader badge
    Downloads: 2 This Week
    Last Update:
    See Project
  • 6
    The ComicReader is a program to read daily comics like Garfield, Dilbert, Userfriendly and lots of other daily comics. The comicreader has unique features like autodownloading the comics, central managed comic definitions and the option to email comics.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 7

    GenomeWiki (GWiki)

    Embeddable/J2E/Desktop Java Wiki CMS

    Downloads: 1 This Week
    Last Update:
    See Project
  • 8
    GvTags is a lightweight yet powerful tag library and template engine for the dynamic programming language Groovy.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 9
    Identifiers.org is a system providing resolvable and persistent identifiers, in the form of URIs, used to identify data for the scientific community, with a current focus on the Life Sciences domain. The provision of resolvable identifiers (URLs) fits well with the Semantic Web vision, and the Linked Data initiative. The resolving services of Identifiers.org rely on the information stored in the MIRIAM Registry.
    Downloads: 1 This Week
    Last Update:
    See Project
  • D&B Hoovers is Your Sales Accelerator Icon
    D&B Hoovers is Your Sales Accelerator

    For sales teams that want to accelerate B2B sales with better data

    Speed up sales prospecting with the rich audience targeting capabilities of D&B Hoovers so you can spend more sales time closing.
    Learn More
  • 10
    This project has evolved into four main components: J2EE utilities; Austin, a Groovy Game Scripting Library for JME; Script formatter for screenwriters; and the core library utilities.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 11
    GrooveHaven. Groovy language (groovy.codehaus.org) implementation of Java Portlet framework (Java Specification JSR-168) using IBM Pluto portlet container reference implementation. Extends the existing Java portlet API.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 12
    GvTags is a lightweight yet powerful tag library and template engine for the dynamic programming language Groovy.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 13

    Social Univ

    Social network for university

    This grails project is usefull to increase the sociability in your university !
    Downloads: 0 This Week
    Last Update:
    See Project
  • 14
    Solution consits of UIPServer and UIPPortal. With UIPortal you can deploy UIP Applications on UIPServers and after deploy you can connect to your UIP Application running on UIPServer with your UI Protocol client.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 15
    [fleXive] is a next-generation Java EE 5 content repository that provides enterprise-level persistence with security, SQL-like query language, a JSF-based web administration and reusable JSF components for integration into existing and new applications.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 16
    goeCMS is a rather complete (yet basic) Content Management System written over the Grails web framework. It already implements all the basic functionality for management of users, sections, articles, blocks, forums etc.
    Downloads: 0 This Week
    Last Update:
    See Project
  • Previous
  • You're on page 1
  • Next