use ordr.in web services to find restaurants that deliver near your. You can search, compile a tray, and order it.

Noiseless is a Rails-focused, ActiveRecord-style search abstraction supporting Elasticsearch, OpenSearch, Typesense, and PostgreSQL with asynchronous querying and a chainable DSL.

Normalized searching and browsing of public resources

tail your Twitter timelines, or search Twitter

Allows you to perform basic auction management, bidding, and searching from ruby.

Ruby library and command line tool to search and contribute to cirt.net's default password database at http://cirt.net/passwords

A Ruby interface for querying academic papers on the arXiv search API.

Simple wrapper for JSON api provided by indeed. Original documentation at: http://www.indeed.com/jsp/apiinfo.jsp (Require authorization) Support search jobs API 2.0 and get jobs API

Desi (Developper Elasticsearch Installer) is very simple tool to quickly set up an Elastic Search local install for development purposes.

Store a few extra (non-searchable) attributes away in a bucket. This is probably a horrible idea, but try it anyway.

A commandline tool which lets you download all your delicious.com links and search them (with pretty color-coded results).

Wolfram|Alpha introduces a fundamentally new way to get knowledge and answers — not by searching the web, but by doing dynamic computations based on a vast collection of built-in data, algorithms, and methods.

A rails engine with questioning authority gem installed to serve as an authority search server with normalized results.

Search and download torrents from your favorite bittorrent tracker using Ruby 1.9. Get information like; subtitles, movie information from IMDB (actors, grade, original title, length, trailers and so on.), direct download link to the torrent.

Google Scholar interface. Currently only works for Author searches.

Simple api interface to Comic Vine. Allows for searches and returning specific information on resources.

Use rails semantics to search keys and values inside PostgreSQL jsonb, json and hstore columns. Compatible with StoreXT attributes.

SSDP client/server library. Server notify/part/respond; client search/listen.

Simplifies integration with http://redisearch.io/ and Rails applications.

Search api for Active Network