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

  • Custom VMs From 1 to 96 vCPUs With 99.95% Uptime Icon
    Custom VMs From 1 to 96 vCPUs With 99.95% Uptime

    General-purpose, compute-optimized, or GPU/TPU-accelerated. Built to your exact specs.

    Live migration and automatic failover keep workloads online through maintenance. One free e2-micro VM every month.
    Try Free
  • 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
  • 1
    Catalogo is a system for cataloguing resources on a web site. It allows semantic search of information on an intranet using metadata, RDF and ontology concepts. It provides a Catalog server (Java web applications) and a Catalog client (Firefox plug-in).
    Downloads: 0 This Week
    Last Update:
    See Project
  • 2
    ChanDown - 4chan Image Downloader

    ChanDown - 4chan Image Downloader

    Auto Rescanning - Search Terms - Regularly Updated With New Features

    ========== NOTE: (AS OF 11/05/2015) 4chan html structure has changed, full images are downloaded as well as the thumbnail. Fix coming shortly (after my exams are over) to stop the thumbnails from downloading. ========== This is the first release of my 4chan image downloader. This downloader packs loads of great features such as the search ability. Check the features section and be sure to let me know if you want a feature added. Coming Soon: - Wiki, explaining in depth how to use it more quickly (although its already pretty simple to use) - Ability to download the whole thread, not just images - Better multithreading - Ability to use proxies - Sort images download from searches into folders - Keep original image names - More responsive gui Be sure to let me know if you want any other features.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 3
    Classifier4J is a java library that provides an API for automatic classification of text. The default (and only current) implementation of this API is a Bayesian classifier. This library can be used for multiple purposes - as a spam filter or a blog cl
    Downloads: 0 This Week
    Last Update:
    See Project
  • 4
    Trova file duplicati su un gruppo di computer.
    Downloads: 0 This Week
    Last Update:
    See Project
  • $300 in Free Credit Towards Top Cloud Services Icon
    $300 in Free Credit Towards Top Cloud Services

    Build VMs, containers, AI, databases, storage—all in one place.

    Start your project in minutes. After credits run out, 20+ products include free monthly usage. Only pay when you're ready to scale.
    Get Started
  • 5
    A new Near Duplicate Detection Method
    Downloads: 0 This Week
    Last Update:
    See Project
  • 6
    This project contains all the code for the eXploringXML column on WebReference.com at http://exploringxml.com . Currently this is only an applet for parsing and displaying Rich Site Summary (RSS) files, but more Java code for XML will come
    Downloads: 0 This Week
    Last Update:
    See Project
  • 7
    CoinSparc SEO suite for Android

    CoinSparc SEO suite for Android

    Full SEO (Search Engine Optimization) app for Android.

    Packing all necessary tools used for SEO including URL submitter, Search Engine Ping tool, Site Stability Analyzer, All Major Webmaster Toolkits (Google, Bing, Yahoo, Yandex, Baidu), Keyword Density Checker, Rank Checkers, Backlink Builders, Sitemap Submitter Social Media Metrics & Analysis tools, Mass traffic generator and Blogging tools & tips. CoinSparc delivers the power of a fully fledged PC application to your smartphone. It certainly replaces the tens of different application you use for SEO by bundling all of them into one compact app. A must have tool for all Bloggers, Website Owners, Marketers and Android Web lovers.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 8
    Common Library
    Common Library is a learning content and document management system that enables dynamic outcome-based learning object alignment through semantic analysis & granular addressability. For implementation questions contact http://www.bluefletch.com.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 9
    Competence will be an expandable information retrieval system. Like the non-free Glimpse/WebGlimpse Competence will index various kinds of documents stored locally or on the web and provide an easy-to-use interface for search and retrieval.
    Downloads: 0 This Week
    Last Update:
    See Project
  • Go From AI Idea to AI App Fast Icon
    Go From AI Idea to AI App Fast

    One platform to build, fine-tune, and deploy ML models. No MLOps team required.

    Access Gemini 3 and 200+ models. Build chatbots, agents, or custom models with built-in monitoring and scaling.
    Try Free
  • 10
    Contineo is a Web-based Document Management System (DMS). Features: Folder organization, document Versioning, Bulk import, import from mailbox. NOTE: this project has been DISMISSED in favor of LogicalDOC http://sourceforge.net/projects/logicaldoc
    Downloads: 0 This Week
    Last Update:
    See Project
  • 11
    The Cornell Web Lab Collaboration Server is a suite of tools and services for GUI-based extraction, analysis and sharing of archived web data. See http://weblab.infosci.cornell.edu/ and http://www.cs.cornell.edu/~weigel for details about the project.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 12
    Course Crawler is an application to compile term-definition pair from multiple web glossaries into a centralized, stable, and searchable location.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 13
    Crawl-By-Example runs a crawl, which classifies the processed pages by subjects and finds the best pages according to examples provided by the operator. Crawl-By-Example is a plugin to the Heritrix crawler, and was done as a part of GSoC06 program.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 14
    DLESE (Digital Library for Earth System Education) is a community-supported digital library dedicated to the collection, enhancement, and distribution of materials that facilitate learning about the Earth. Sponsored by the US National Science Foundation.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 15
    DOSE: a distributed platform for semantic elaboration that provides semantic services such as automatic annotation of web resources at the document substructure level, semantic search facilities, semantic annotation storage and retrieval.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 16
    =DOES NOT WORK ANYMORE AS DSA HAS PUT CAPTCHA= DSA Practical Driving Test Monitor helps you find any available practical driving test slot within specified date range. Runs on Linux/Mac/Windows and automates your manual task of finding the test slot.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 17
    DVDWeb is a Web Service which provides organization/search/lookup services through JAX-RPC API. The search can be done against the builtin DB (the user\'s private list of DVDs according to UPC codes) or against other Internet sites such as imdb or yahoo.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 18
    Desk.Now is a cross-platform Java client for the WhereIsNow WebService which allows you to know where is the latest version of a document, with just two clicks.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 19
    This project tries to find geographical locations (formulated by GPS positions) for specific queries (eg 'art') in specific environments (eg 'Maastricht') by analyzing webpages.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 20
    Digi-Portal is an Open-Source portal system developed using the PHP and MySQL languages. Currently looking for volunteers to help develop this project. Email me on krphilabaum@users.sourceforge.net!
    Downloads: 0 This Week
    Last Update:
    See Project
  • 21
    Digital Learning Sciences (DLS) is a mission-centered, not-for-profit organization dedicated to improving learning through the use of digital content and tools.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 22
    With DoCASU, Alfresco users have a simplified and easy to use solution to access, search and manage documents. DoCASU is a Rich Internet Application (RIA) based on Alfresco Web Scripts and ExtJS. Find all details on: http://code.optaros.com/trac/docasu
    Downloads: 0 This Week
    Last Update:
    See Project
  • 23
    DocInfoRetriever is a Web_based document full-text search engine based on lucene. It allows you to search the contents and metadata of documents . Supported document formats, likes doc, xls, pdf, odt, jpg...etc.,and torrent files.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 24
    Maven Repositoty Artifact Search/Browser
    Downloads: 0 This Week
    Last Update:
    See Project
  • 25
    DoxMentor4J is a standalone cross platform Web/Ajax based documentation library that is fully searchable and may be hosted in the file system, in an archive or embedded in the Java classpath.
    Downloads: 0 This Week
    Last Update:
    See Project
MongoDB Logo MongoDB