Stamps is Stamps.com backed library for creating postage labels, calculate the shipping cost of packages, standardize domestic addresses via USPS CASS certified Address Matching Software, and track shipments.

Statelogic does kinda this and that... you know.

A gem that verifies the integrity of a state history

Static site generator using Haml and Coffescript

In your application you may want to handle things in your User model like sex (female, male) or other static lists. You want these lists to be handled using 'textual keys' in your application but stored in your database using codes in an integer column.

Staticme is a very easy-to-use webserver built on top of Thin and Rack to serve static files in a directory provided as the webroot

A suite for basic and advanced statistics on Ruby

Various functions for time series analysis.

Ruby gem for StatusCake API - supports basic functions on tests

Use this to store status information from across a big-program while keeping it simple.

Steamroll a nested hash into a singular hash delimiting keys by a period.

Cleaner, Happier, Easier Changelogs in Rails

Stingray gem for interfacing with the Riverbed Stingray loadbalancers.

Fetch stock quotes. Build as a gem and command line tool.

As above

The acl from StoneWall, now as a shiny new gem!

Content filter to determine the XSS, spam or offensive quality of text.

Random real user-agents

Strapper is a tool to help you make sure your environment is ready to run your project. It uses things like Homebrew to install the required tools but is softer than Boxen or Vagrant to manage what you need.

Strawberry flavored loggin