Textacular exposes full text search capabilities from PostgreSQL, and allows you to declare full text indexes....
Date and time validation plugin for ActiveModel and Rails. Supports multiple ORMs and allows custom date/time...
Create beautiful generative geometric background images from a string.
Friendly English-like interface for your command line. Don't remember a command? Ask Betty.
Authentication and Account Management Framework for Rack Applications
Build realtime Ruby web applications. Created by the fine folks at Poll Everywhere.
UNMAINTAINED: See celluloid/celluloid#779 - Celluloid::IO-powered web server
Lightweight Ruby web crawler/scraper with an elegant DSL which extracts structured data from pages.
Ruby gem for web scraping purposes. It scrapes a given URL, and returns you its title,...
A batteries-included framework for easy web-scraping. Just add CSS! (Or do more.)
Mechanize is a ruby library that makes automated web interaction easy.
Ruby gem that generates thumbnail images from a given URL. Much like popular social website with...
Simple yet powerful ruby ffmpeg wrapper for reading metadata and transcoding movies
A simple EventMachine-based library for consuming Twitter's Streaming API.