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

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  • Automate contact and company data extraction Icon
    Automate contact and company data extraction

    Build lead generation pipelines that pull emails, phone numbers, and company details from directories, maps, social platforms. Full API access.

    Generate leads at scale without building or maintaining scrapers. Use 10,000+ ready-made tools that handle authentication, pagination, and anti-bot protection. Pull data from business directories, social profiles, and public sources, then export to your CRM or database via API. Schedule recurring extractions, enrich existing datasets, and integrate with your workflows.
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  • 1
    The Global Digital Format Registry (GDFR) will provide sustainable distributed services to store, discover, and deliver representation information about digital formats.
    Downloads: 0 This Week
    Last Update:
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  • 2
    The JotScale project is a cluster of servers implementing a highly scalable object storage system combined with a high performance http server and a subscription system. Jotscale now depends upon Mojasi (same trunk). Pure Java. Source only.
    Downloads: 0 This Week
    Last Update:
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  • 3
    PIP Database Replicator is a web application that allows database replication. This application supports, at present, PosgreSQL and MySQL and provides different ways for data replication.
    Downloads: 0 This Week
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  • 4
    REX allows you to create REST interfaces by directly connecting HTTP Requests to SQL/XML queries without programming.
    Downloads: 0 This Week
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  • eProcurement Software Icon
    eProcurement Software

    Enterprises and companies seeking a solution to manage all their procurement operations and processes

    eBuyerAssist by Eyvo is a cloud-based procurement solution designed for businesses of all sizes and industries. Fully modular and scalable, it streamlines the entire procurement lifecycle—from requisition to fulfillment. The platform includes powerful tools for strategic sourcing, supplier management, warehouse operations, and contract oversight. Additional modules cover purchase orders, approval workflows, inventory and asset management, customer orders, budget control, cost accounting, invoice matching, vendor credit checks, and risk analysis. eBuyerAssist centralizes all procurement functions into a single, easy-to-use system—improving visibility, control, and efficiency across your organization. Whether you're aiming to reduce costs, enhance compliance, or align procurement with broader business goals, eBuyerAssist helps you get there faster, smarter, and with measurable results.
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  • 5
    SAADA transforms a set of heterogeneous astronomical data FITS files in a powerfull database deployed on the Web and including VO features. The database is located on your host and keeps under your full control. This job doesn't require to write cod
    Downloads: 0 This Week
    Last Update:
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  • 6
    jdbc4olap is a ready-to-use JDBC 3.0 driver that provides access to OLAP databases. Relying on a relational representation of multidimensional environments, it includes a SQL-MDX converter and uses XMLA to dialog with OLAP servers.
    Downloads: 0 This Week
    Last Update:
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  • 7
    smsnuke are PAY and SMS Modules for PHP Nuke and vkpMx CMS Systems. APS's for Java ( J2EE and Application-Server's) and PHP / HTML
    Downloads: 0 This Week
    Last Update:
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