An application for easy adding of keywords for archives and any resources for fast future access. It is an extension of associative memory, associative helper and also may be used as a personal search engine.

A web robot, search engine and web server written in Java and available under GPL. Includes related resources. [Project no longer actively updated]

Open source search engine tool released under GPL and designed to organize search within a website, group of websites, intranet or local system.

A cross-platform, full-featured text search engine written entirely in Java. It can be configured as a standalone engine, metasearcher, peer-to-peer HUB or used as a class library.

A distributed search system, designed for peer to peer networks and web sites.

Allows searching the KDE project CVS repository using GUISearch, a new kind of tool for finding code by looking at the applications' GUI text messages (e.g., "Undo") and returning associated callbacks/slots (e.g., slotUndo()).

Effort to implement a prototype of an open source web-search engine.

Resources, ideas and news site for developing next generation open source search engines. Includes relevant source libraries and white papers.

Article that discusses the concepts of an open source, community-run, distributed web search service. One possible architecture is presented, although no working code or implementation exists.

An open source web spider and search engine. Includes demo, source code and screenshots.

An open source search engine written in Java, aimed to provide a search button for websites. Includes related project news.

A listing of open source indexers, including links to related articles.

Full-text search engine for source code.