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

  • 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
  • Auth for GenAI | Auth0 Icon
    Auth for GenAI | Auth0

    Enable AI agents to securely access tools, workflows, and data with fine-grained control and just a few lines of code.

    Easily implement secure login experiences for AI Agents - from interactive chatbots to background workers with Auth0. Auth for GenAI is now available in Developer Preview
    Try free now
  • 1
    Netty-socketio

    Netty-socketio

    Socket.IO server implemented on Java

    This project is an open-source Java implementation of Socket.IO server. Based on Netty server framework. Supports 0.7...0.9.16 (netty-socketio 1.6.6) and 1.0+ (netty-socketio latest version) version of Socket.IO-client. Supports distributed broadcast across netty-socketio nodes (Redisson, Hazelcast). Supports OSGi, supports Spring, lock-free and thread-safe implementation, and declarative handler configuration via annotations. YourKit is kindly supporting this open source project with its full-featured Java Profiler. YourKit, LLC is the creator of innovative and intelligent tools for profiling Java and .NET applications. CentOS, 1 CPU, 4GB RAM runned on VM, CPU 10%, Memory 15%, 6000 xhr-long polling sessions or 15000 websockets sessions, 4000 messages per second.
    Downloads: 5 This Week
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    See Project
  • 2
    Application Server to make Java Components available for AS/400 RPG programs, runs on as400, i5, iSeries, System i or any other java platform. Packaged with ArdGate to access any JDBC database using all native SQL interfaces from AS/400.
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    Downloads: 6 This Week
    Last Update:
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  • 3
    Surinam
    Surinam adds hyper-dynamic behavior to software by deploying and managing user-developed services that can come and go over time. This allows applications to be developed as loosely-coupled aggregations of services that can be modified in real time.
    Downloads: 4 This Week
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  • 4
    @Configured is a (mini) rule's driven dependency injection framework. Homepage: http://configured.sourceforge.net
    Downloads: 0 This Week
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  • MongoDB 8.0 on Atlas | Run anywhere Icon
    MongoDB 8.0 on Atlas | Run anywhere

    Now available in even more cloud regions across AWS, Azure, and Google Cloud.

    MongoDB 8.0 brings enhanced performance and flexibility to Atlas—with expanded availability across 125+ regions globally. Build modern apps anywhere your users are, with the power of a modern database behind you.
    Learn More
  • 5
    Ambient Composite Engine, a web-based framework for writing composite software, submitted by WebactiveLabs.
    Downloads: 0 This Week
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  • 6
    BLoMo generates hibernate models, DTO layer and adds improved security, validation and generic access to web applications.
    Downloads: 0 This Week
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  • 7
    Java library to do dependency injection like Java EE 5 on unmanaged beans. It can inject local or remote Session beans (@EJB), anything bound to JNDI registry like JDBC Data sources or JMS Destinations (@Resource), JPA Entity Managers (@PersistenceContex
    Downloads: 0 This Week
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  • 8
    CincoSecurity module offers big flexibility to protect EJB3 methods, and JSF page elements.It associates a role to each EJB method (fine role) defining a security profile as a set of roles; its use cases manage security profiles and users.Java EE 5 Seam
    Downloads: 0 This Week
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  • 9
    Java-Framework for matching Content of EJBs automatically to Swing-Components.
    Downloads: 0 This Week
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  • Powering the best of the internet | Fastly Icon
    Powering the best of the internet | Fastly

    Fastly's edge cloud platform delivers faster, safer, and more scalable sites and apps to customers.

    Ensure your websites, applications and services can effortlessly handle the demands of your users with Fastly. Fastly’s portfolio is designed to be highly performant, personalized and secure while seamlessly scaling to support your growth.
    Try for free
  • 10

    Corinna

    Open source implementation of the Java Bindlet technology

    The Corinna is a open source software implementation of the Java Bindlet technology. The Java Bindlet is similar to Java Servlet platform, but allows the implementation of software components for the treatment of requests in various protocols (binary or text based protocols), not just those based on HTTP. The framework supports the implementation of both TCP and UDP bindlets.
    Downloads: 0 This Week
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  • 11
    FLEISS Frameworks is a set of programming, instrumental, application, and system frameworks to develop a free software system within an organization either non-commercial or commercial, but primarily scoping on business organizations.
    Downloads: 0 This Week
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  • 12
    A real-time, distributed, data model system. http://fulmine.sourceforge.net
    Downloads: 0 This Week
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  • 13
    GWTApp provides several features like: HTML templating and messaging at runtime without application recompiling, MetaField to auto bind and simulate annotation of RPC data fields, Strong typing in MVC, Modular structure in Maven.
    Downloads: 0 This Week
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  • 14
    JAmba is a simple JMS queue routing service. The service allows JMS messages to be passed between local and networked JMS queues through jgroups.
    Downloads: 0 This Week
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  • 15

    JCLALwebservice

    Web service for JCLAL

    This work is part of the area of Artificial Intelligence, in particular in the field of machine learning. The web service is built to facilitate the use of JCLAL in applications developed in any programming language. Users should know only the basic format to send and receive requests.
    Downloads: 0 This Week
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  • 16
    JPA Security is an Access Control Solution for the Java Persistence API. JPA Security enables you to configure access control to your JPA Entity Beans based on the currently authenticated user and its roles via XML or Annotations.
    Downloads: 0 This Week
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  • 17
    JOMS is an extremely lightweight, simple Java Enterprise Service Bus. While similar to MULE and MINA, it can be run in a small memory environment or in an embedded server environment. It can also be transparently networked or clustered.
    Downloads: 0 This Week
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  • 18
    Lemansys LEWS

    Lemansys LEWS

    Lemansys LEWS Alternative Framework for Java Web Applications

    Lemansys LEWS (Lightweight Extensible Web Scripting) is alternative framework based on a very easy and "basic like" scripting language (Lemansys Server Pages ".lem" ) oriented also to "not pure" JSP developers (PHP, ASP,...); You can use Eclipse WTP for development (with provided plugin suite extensions) and Apache Tomcat Application Server 7.0 (fully compliant with Servlet API 3.0 ) for deployment and run. Start up Lemansys Server Pages development in 24 hours by following our "Lemansys Bonsai Guide" with more than 30 examples !!!
    Downloads: 0 This Week
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  • 19
    A java framework for developing applications that aggregate data from different sources and combines their responses.It can be used for developing web mashups or as a lightweight enterprise service bus (ESB) in service oriented architectures (SOA).
    Downloads: 0 This Week
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  • 20
    PeerVibes is a framework for creating applications based on peer-to-peer networks. This framework provides the necessary tools and architecture to build complex applications such as collaborative work support and distributed backup.
    Downloads: 0 This Week
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  • 21
    A toolbox for java gameservers. This project extends the open source gameserver "project darkstar", written by Sun microsystems. It provides several useful tools like telnet administration, object browsing, base classes for network services.
    Downloads: 0 This Week
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  • 22
    Photon provides very fast access to data containers (queues, maps, etc.) in shared memory - it can retrieve millions of data records per second. It also uses some RDB concepts like transactions and crash recovery. See web site for details.
    Downloads: 0 This Week
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  • 23
    This is an experimental project that used to put together ideas on Spring, Maven, and other open source technologies. The emphisis is on a how to for practical software development.
    Downloads: 0 This Week
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  • 24
    A framework to support dynamic adaptation behavior in Java EE enterprise systems and to develop self-managing applications. StarMX utilizes JMX features and can be integrated with different policy/rule engines to enable self-management capabilities.
    Downloads: 0 This Week
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  • 25
    Struts-Wrapper is an extension to the Struts web development framework. It encapsulates the Struts business logic in a Spring based webapplication to use it as a component in Spring and as standalone Struts Application at the same time.
    Downloads: 0 This Week
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    See Project
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