SyntaxDB allows users to search syntax of various languages. This gem will provide access to SyntaxDB apis in ruby

Simple TabuSearch framework

Ruby Google Search Mashup Framework

Digs YUM repositories to search for RPM packages

A semantic offline search

tmb provides a command line interface to manage your textmate bundles, allowing you to search for new bundles on github, install them, and uninstall existing local bundles.

Parser for github-style search.

Framework for periodically searching for terms on multiple services.

Ruby on Rails configurator and client to the Sphinx fulltext search engine.

Provide feature to search view files from your browser.

Internet search in the Command Line!

Wik - Quick and easy Wikipedia searches

Rails plugin for Xapian search, built on XapianFu and DelayedJob.

Supports youtube urls, playlists and fulltext search

HTML searching, sorting and pagination made dead simple

Search and relate JSON data sources

Simple DSL for Sphinx Search Server

Parses the Norwegian postcode database as published by Bring, and lets you search and use the data from Ruby.

A spellchecker using Google's search engine

datamapper adapter for search index lucene from apache