Meshcomplete is a Ruby on Rails engine for MeSH autocomplete search box built with jQuery UI.

ygoprodeck API wrapper for search yugioh card

Meta tags helpers for search engine optimization of Rails application

metal-archives provides an interface to search for album releases for a specific year, defaulting to the current one if none is provided.

Easy searching for ActiveRecord applications

Add pagination, cache_digest, order, json generation with postgres, simple search support to all your queries

SimpleSearch is a simple vector space text search engine.

This gem allows you to search for the closest word inside a list of specified known/valid words

A lightweight API wrapper for the Bing Search API

Mongoid layer for the Sphinx fulltext search server that supports block fields and dynamic indexes

Make your webapp Search Engine friendly

Simple DSL for using an IndexTank search provider with Mongoid

Helpers for mongoid i.e auto increment fields, search index

An n-dim matrix data structure with fast loop, search and access

Easy access to Serbia zip codes. You can search zip code by city, or city by zip code.

MysqlSimpleFulltext lets you make simple MySQL fulltext searches a simple way without writing SQL queries in your ActiveRecord.

Dashboard to track your search engine rankings.

neartree is a Ruby library binding to the NearTree C library for storing point/value pairs in an R-Tree structure and searching it for the nearest neighbour for any given point.

A C implementation of the binary search algorithm for Ruby arrays.

Extends couchrest_model to provide support for creating and querying Cloudant Search indexes.