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.

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.

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.

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.

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

OpenSearchServer is a powerful, enterprise-class, search engine program. Using the web user interface, the crawlers (web, file, database, etc.) and the client libraries (REST/API , Ruby, Rails, Node.js, PHP, Perl) you will be able to integrate quickly and easily advanced full-text search capabilities in your application: Full-text with basic semantic, join queries, boolean queries, facet and filter, document (PDF, Office, etc.) indexation, web scrapping,etc. OpenSearchServer runs on Windows and Linux/Unix/BSD.

CRGREP searches for matching text in databases, various document formats, archives and other difficult to access resources. A command line tool for name and content text matching in database tables, plain files, MS Office documents, PDF, archives, MP3 audio, image meta-data, scanned documents, maven dependencies and web resources. CRGREP will search resources within resources of any arbitrary combination or depth, so text within a document within a zip archive, and so on. Here you will find binary downloads and discussion (https://sourceforge.net/p/crgrep/discussion/) . The actual development and issue tracking can be found here: https://bitbucket.org/cryanfuse/crgrep

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.

PileWorks provides the organizational structure for coordinating several different projects which approach some aspect of Pile Technology. PileWorks defines a set of interfaces and implements some basic infrastructure for Pile engines and agents.

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

mach4 : An application launcher and a replacement for 'Run' in Microsoft Windows. Just type a phrase to access applications, web sites, files, the command line and more.

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.

JIndex is a Java version of Beagle. It's a program that enables you to search meta data from files quick and painless.

This is a Word-Count utility. You can use this utility to find occurances of one or more strings in a given directory. You can search strings by specifying case-sensitive or whole word type. NOTE: This utility is tested on WinXP Professional and RH EL3.

PDFcat - Portable Document (PDF) Catalog Manager

QuickFind is a cross platform Java Application for searching files in your Computer. The sole purpose of this application is to save user time by searching the desired file almost instantly. User has all the freedom to schedule or cache manually any time on selected directories. Once the caching is done all you have to do is input the name of the file you want to find.

DuMP3 is a duplicate and similar file finder. It finds exact duplicate binaries by hash, similar text files by substring content, images (JPG, BMP, GIF, PNG, etc) by color and audio files (MP3, WAV, OGG, etc) by wave data. Future: fonts, video.

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/

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.