Open Source Java Search Software

DocFetcher is an Open Source desktop search application: It allows you to search the contents of files on your computer. — You can think of it as Google for your local files. The application runs on Windows, Linux and Mac OS X.

Elasticsearch is a distributed, RESTful search and analytics engine that lets you store, search and analyze with ease at scale. It lets you perform and combine many types of searches; it scales seamlessly, and offers answers incredibly fast with search results you can rank based on a variety of factors. Elasticsearch can be used for a wide variety of use cases, from maps and metrics to site search and workplace search, and with all data types.

Power searching on your desktop without the pain. Perform powerful desktop searches without having to index your system using regular expressions. Graphical equivalent to find/grep. Available for Windows (JAVA) and Linux (Gnome & KDE) and easy to translate into your locale.

Search and replace operations on file content accross multiple files. Recursive operations within entire directory trees. FAR comes with support for regular expressions (regex) over multiple lines, automatic backup and various character encodings. Run grep like extractions to condense or rearrange sources, or perform bulk file renaming.

KISS (Keep It Simple and Stupid) is a blazingly fast yet incredibly small launcher for Android that requires nearly no memory to run. It expedites searching through the apps, contacts and settings of your Android device, giving you just one simple interface to find everything you need fast. No need to skim through dozens of other apps just to find one-- simply enter a few characters and hit enter. Need to make a call? Just enter the first three letters of the contact's name and hit the phone button. No more time and effort is wasted on searching, and you won't have to look at long lists of contacts or a grid of application icons doing absolutely nothing. KISS is smart and gets smarter as you keep using it, remembering your most commonly accessed search results.

Empty Directories Finder expires empty directories and allows you to conveniently select the required directories before deleting. New version available. Improved user interface.

Puggle is a graphical desktop search engine written exclusively in Java. It provides full text and metadata search over files, folders, music, photos, web pages and more that are stored locally on your computer.

A universal suite of utilities for large corpora processing.

E-Nature CD/DVD Archiver lets you easily read all files on any data CD/DVD to a local database. With the integrated search function you can search for files stored on any previously added DVD or CD in your collection.

Torrent Search Engine: TorrentSearch is a framework and script language for searching Bit Torrent websites and search engines for torrents.

An advanced Java file/class finder with support for searching inside zip|war|ear|jar archives or finding text inside pdf|doc|ppt|UTF-8 files.

Important: This project has been moved to https://github.com/statsbiblioteket/summa/ Lucens (and Solr) based search engine with very flexible setup and workflow system. It supports incremental updates, hierarchical faceting and index lookup with low memory overhead. Note: Although Summa is open source, the focus is on features used at Statsbiblioteket. No explicit resources has been allocated for support of external users.

A simple document management system (DMS). Documents and associated datas are stored in a single file. Keep all your documents in your pocket on your USB stick.

HashCatalog is a program that can find duplicate files in one or more folders, or between 2 lists of one or more folders. HashCatalog can also create an xml database file containing a listing of files with hashes.

Midlet that allows you to send e-mails from MIDP(j2me)-capable device.

Narrows search result produced by popular Internet search engines, allowing to put extra filtering conditions, as certain words presented, certain words excluded, and so on.

SCAN (Smart Content Aggregation and Navigation) is a universal semantic content aggregator. It combines search, text analysis, tagging and metadata functions to provide new user experience of desktop navigation and document management.

Enable your academic documents on your hard-drive to be searched using an automated solution with limited user-intervention. All this is done in a non-intrusive manner, ensuring your files are not moved.

A searcher and indexer to allow easy and fast locating of relevent information from a large collection of research papers. A Java backend with a web based frontend. Based on the Lucene indexer and searcher

Management of Ad Campaigns. Initially it will be manage Google Adwords campaigns. This will be extended to Yahoo and other Adwords like campaigns.

Agent based Regional Crawler strategy implementation - gathers users' common needs and interests in a certain domain. It crawls based on these interests, instead of crawling the web without any predefined order.

https://sourceforge.net/p/anuenue/wiki/Home/

The Apache Lucene™ project develops open-source search software. The project releases a core search library, named Lucene™ core, as well as PyLucene, a Python binding for Lucene. Lucene Core is a Java library providing powerful indexing and search features, as well as spellchecking, hit highlighting and advanced analysis/tokenization capabilities. The PyLucene sub-project provides Python bindings for Lucene Core. The Apache Software Foundation provides support for the Apache community of open-source software projects. The Apache projects are defined by collaborative consensus-based processes, an open, pragmatic software license and a desire to create high-quality software that leads the way in its field. Apache Lucene, Apache Solr, Apache PyLucene, Apache Open Relevance Project and their respective logos are trademarks of The Apache Software Foundation.

Aperture is a Java framework for extracting and querying full-text content and metadata from various information systems (file systems, web sites, mail boxes, ...) and the file formats (documents, images, ...) occurring in these systems.

BeanQuery is a Java solution that allows for querying arbitrary collections of arbitrary object types by using a criteria like API in a declarative and typesafe manner.