Open Source Search Software

CLucene is a C++ port of Lucene: the high-performance, full-featured text search engine written in Java. CLucene is faster than lucene as it is written in C++.

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

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 high-performance implementation of bloom filters, a lightweight duplicate detection algorithm.

CD Maze is an easy to use CD-ROM/DVD-ROM catalog system for the GNOME/Unix/Linux-Desktop.

Document summarization system. By adding document content to system, user queries will generate a summary document containing the available information to the system.

This library implements several locality sensitive hashing(LSH) based algorithms, including indexing data structure for high dimensional spaces and metric spaces, sketch constructions and set embedding algorithms.

PDFcat - Portable Document (PDF) Catalog Manager

TiTLi: A Google-like, full-text search tool for relational databases. It is very fast and independent of vendor specific RDBMS's like mysql, oracle etc. It uses Apache Lucene for indexing and provides some advanced features like similarity search.

UProm Requirement Management System (traceability and requirement coverage). Includes : - An admin module to manage SCRUM Project and tree of requirements - A multi-user Web-based client - Tools for databases management (HSQLDB, PostGreSQL,...) UProm

XSpace is a globally accessible repository for hierarchically-keyed information. It provides persistence for trees with an elegant tree-navigation API. XSpace also publishes real-time events whenever a persisted tree is updated.

Clucened is a project to build a daemon around CLucene, which is a C++ implementation of the Lucene search engine. This is *not* the CLucene project, but is a separate project to write a generic daemon based on CLucene.

iMeMex is a dataspace management system. iMeMex is a research prototype. The package also provides several useful components for research such as external sorting, B+-trees, inverted indexes, content converters, query operators, and graph indexes.

myDbSearcher is a search engine for MySQL Databases. It is written in Java. It scans several tables on different databases. A XMLRPC-Server will give you access to the Index. Currently it runs on http://www.idowa.de/ueberblick/suche/index_html

FastFreeTextSearchFiles (fastfreetextsea) is a external, internal hard disk, USB flash pen, file indexer for Fast Free Text Search.