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.

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.

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.

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.

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

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.

Search words in text files, display matching lines in tabs. Options to save results, exclude words, display the line numbers. Tiny file for searching big text files. Please leave feedback to help improve the application. Documentation coming soon.

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

Visual pattern matching with regular expression search tool

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.

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.

GES tool is the result of integrating the Google Desktop Search (GDS) engine into IBM’s Eclipse development environment to improve searching in software projects in a manner similar to searching the internet or your own desktop.

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.

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/

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.

Finder is a Java application useful to solve basically 2 tasks: 1) finding common files between 2 folders (erasing them if required); 2) move/delete files specified in a particular configuration file.