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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.

  • Stop Storing Third-Party Tokens in Your Database Icon
    Stop Storing Third-Party Tokens in Your Database

    Auth0 Token Vault handles secure token storage, exchange, and refresh for external providers so you don't have to build it yourself.

    Rolling your own OAuth token storage can be a security liability. Token Vault securely stores access and refresh tokens from federated providers and handles exchange and renewal automatically. Connected accounts, refresh exchange, and privileged worker flows included.
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  • Go from Code to Production URL in Seconds Icon
    Go from Code to Production URL in Seconds

    Cloud Run deploys apps in any language instantly. Scales to zero. Pay only when code runs.

    Skip the Kubernetes configs. Cloud Run handles HTTPS, scaling, and infrastructure automatically. Two million requests free per month.
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  • 1
    The JProactor is a high performance communication toolkit that facilitates development of networking applications using asynchronous programming model. The Jproactor utilises Java NIO (new IO) api and JSSE (Java SSL Engine), and supports multiple communi
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  • 2
    A high-performance, multi-stage, event-driven networking framework written entirely in Java using NIO. It is designed to abstract most (if not all) of the networking complexities so that beginner or expert, you can concentrate on what really counts... yo
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  • 3
    Laika analyzes and reports on the interoperability capabilities of EHR systems. This includes the testing for certification of EHR software products and networks.
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  • 4
    LinkSmart Middleware

    LinkSmart Middleware

    We have moved to https://linksmart.eu - visit us over there!

    You can now find us at https://linksmart.eu -- along with files for download, repositories for code, forums for support, and wikis for documentation.
    Downloads: 0 This Week
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  • MongoDB Atlas runs apps anywhere Icon
    MongoDB Atlas runs apps anywhere

    Deploy in 115+ regions with the modern database for every enterprise.

    MongoDB Atlas gives you the freedom to build and run modern applications anywhere—across AWS, Azure, and Google Cloud. With global availability in over 115 regions, Atlas lets you deploy close to your users, meet compliance needs, and scale with confidence across any geography.
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  • 5
    Nubric (Near-real-time user behaviour and resource interaction control) is a framework for security and authentication-related modules written in Java. Its origin focus lies on network monitoring, dynamic, transparent firewalling and traffic control.
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  • 6
    The goal of the Openbus Project is to provide the open source community with a set of high quality, reliable and scalable Enterprise Application Integration (EAI) products. It will include an open source JBI implementation, an open source ESB, etc.
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  • 7
    Pop Framework

    Pop Framework

    Use Java bean as model of web page, reference beans in hyperlinks

    Pop Framework (or Pop), http://www.popframework.net, is a bean-based MVC framework for Java/J2EE web applications. Pop implements IoC, Dependency Injection, and AOP. Pop provides annotations for users to define and reference a bean. Pop can help users to customize a bean, a scope, a factory and a reference in object-oriented way. Pop treats a bean as the model of a web page (JSP or servlet), the webpage itself is a view of the bean. The model provides the data for the view, the view is responsible for rendering the data. The Pop itself acts as the general-purposed controller for all views and models. The beans defined in server-side can be referenced by hyperlinks in client-side directly. Views and Models are therefore loosely coupled in Pop. A model can have multiple views for different devices and different locales. Each view and each model can be maintained and optimized independently and in parallel.
    Downloads: 0 This Week
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  • 8
    QuickServer is an open source Java library/framework for quick creation of robust and multi-threaded, multi-client TCP server applications. With QuickServer one can just concentrate on just the application logic/protocol on hand.
    Downloads: 0 This Week
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  • 9
    RUNES is a cross-platform, component-based middleware framework allowing for dynamic reconfiguration of functionality. Its lightweight implementation spans powerful nodes like PDAs and PCs, as well as tiny embedded devices.
    Downloads: 0 This Week
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  • Powerful App Monitoring Without Surprise Bills Icon
    Powerful App Monitoring Without Surprise Bills

    AppSignal starts at $23/month with all features included. No overages, no hidden fees. 30-day free trial.

    Tired of monitoring tools that punish you for scaling? AppSignal offers transparent, predictable pricing with every feature unlocked on every plan. Track errors, monitor performance, detect anomalies, and manage logs across Ruby, Python, Node.js, and more. Trusted by developers since 2012 with free dev-to-dev support. No credit card required to start your 30-day trial.
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  • 10
    Racoon is an application server for multi-player games. Its intention is to relieve game developers from recurring and time extensive tasks. This is achieved with a modular concept: only the game logic has to be written and deployed in Racoon.
    Downloads: 0 This Week
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  • 11
    RealPeer is a Java framework for the simulation-based development of P2P systems. Utilising this framework a developer can build a P2P application that can be both: executed as a simulation model and as a real P2P application on a real network.
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  • 12
    SAP-JCO Support is a mapping framework for Java applications requiring SAP access. You can easily define your SAP BAPI call in XML and map the SAP fields to java value object fields. Included features are SearchHelp support and an SQL-ish query language.
    Downloads: 0 This Week
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  • 13
    Application monitoring Framework and Command Center administration console to change application settings like alert scheme, monitoring timings, etc., Uses SOAP/XML webservice to communicate between Command Center and the monitored applications.
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  • 14
    The Slim Network Application Framework is designed to be a simple asynchronous networking library that will provide both client and server inbound and outbound network connections with other Slimnet nodes.
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  • 15
    TrueSNMP is a Simple Network Management Protocol (SNMP) implementation written in the Java programming language. It features a rich and well designed agent/manager framework, as well as a set of useful tools, both command-line and graphical.
    Downloads: 0 This Week
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  • 16
    WebLOQ IO is a Java NIO framework which allows for tens of thousands of concurrent TCP/IP connections through a very small thread pool (assuming proper OS and network settings). There is built in support for SSL and non-SSL connections.
    Downloads: 0 This Week
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  • 17
    jLightning is a Java NIO networking library. This project has been moved into the jeuron project. Please refer to www.jeuron.org for more detail.
    Downloads: 0 This Week
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