Projects

Apache Lucene

claimed by Apache Software Foundation

Apache Lucene is an information retrieval API originally implemented in Java. It is a technology suitable for nearly any application that requires full-text search, especially cross-platform. Lucene has been ported to other programming languages including Perl, C#, C++, Python, Ruby and PHP.

Beagle

Beagle is a desktop-independent service for indexing and searching your data. The Beagle daemon transparently monitors your data and updates the index to reflect any changes. On an inotify-enabled system, these updates (e.g. new files, emails, chat) happen more-or-less in real time. Beagle ... [More] supports many different file formats and can index files/email/browsing history/chat logs/RSS feeds etc. [Less]

Tracker

Tracker is a first class object database, extensible tag/metadata database, search tool and indexer. It can trawl through your hard drive and index existing files and data stores It has been designed from the ground up to be very lightweight (the tracker daemon consumes ~4MB of RAM in typical ... [More] use) yet at the same time very fast too. It provides a comprehensive, persistent and extensible storage system that can store and index almost any object. These objects can also have extensible user defined metadata and tags to create rich first class objects. [Less]

GeoNetwork opensource

claimed by OSGeo - The Open Source Geospatial Foundation

GeoNetwork opensource is a standardized and decentralized spatial information management environment, designed to enable access to geo-referenced databases, cartographic products and related metadata from a variety of sources, enhancing the spatial information exchange and sharing between ... [More] organizations and their audience, using the capacities of the internet. This approach of geographic information management aims at facilitating a wide community of spatial information users to have easy and timely access to available spatial data and to existing thematic maps that might support informed decision making. GeoNetwork opensource was established in 2001 and used a CVS code repository before moving to SVN in 2007. [Less]

ht://Dig

The ht://Dig system is a complete WWW indexing and searching system for a domain or intranet. This system is not meant to replace the need for internet-wide search systems like Lycos, Infoseek, Google, and AltaVista. Instead, it is meant to cover the search needs for a single company, campus, or even a particular sub-section of a Web site.

Sphinx Search

Sphinx is a full-text search engine, it's a standalone search engine, meant to provide fast, size-efficient and relevant full-text search functions to other applications. Sphinx was specially designed to integrate well with SQL databases and scripting languages.

Xapian

Xapian is an Open Source Search Engine Library, released under the GPL. It's written in C++, with bindings to allow use from Perl, Python, PHP, Java, Tcl, C#, and Ruby (so far!) Xapian is a highly adaptable toolkit which allows developers to easily add advanced indexing and search facilities ... [More] to their own applications. It supports the Probabilistic Information Retrieval model and also supports a rich set of boolean query operators. [Less]

elasticsearch

Open source, distributed, RESTful search engine built on top of Lucene.

Omni Platform

Omni is a Software-as-a-Service/Cloud Computing service that wants to help you create and use modular applications for the web. It is the collection of the Colony Framework which supports the service, along with all the open source plugins developed for it.

Whoosh Python Search Library

Whoosh is a fast, featureful full-text indexing and searching library implemented in pure Python. Some of Whoosh's features include: * Pythonic API. * Pure-Python. No compilation or binary packages needed, no mysterious crashes. * Fielded indexing and search. * Fast indexing and ... [More] retrieval -- much faster than any other pure-Python solution. * Pluggable scoring algorithm (including BM25F), text analysis, storage, posting format, etc. * Powerful query language. * Pure Python spell-checker. [Less]