agcaldav is yet another great Ruby client for CalDAV calendar. It is based on the icalendar gem.

Aggcat wraps Intuit's Customer Account Data API in a simple client

Client library for Aliyun's Open Storage Service's REST API

ASF-Soap-Adapter is an improved version of ActiveSalesforce (ASF) is a Rails connection adapter that provides direct access to Salesforce.com hosted data and metadata via the ActiveRecord model layer. Objects, fields, and relationships are all auto surfaced as active record attributes and rels. It has been patched to V20 of the Web Services API and has support Chatter model.

This gem contains helper methods for generating the Component XML file needed to upload files to the Building Component Library. It also contains the classes needed for logging in via the api and uploading generating components and measures.

A tool for creating appliances from simple plain text files for various virtual environments.

Complements Capybara with additional finders and matchers.

Experimental library for working with GoogleCheckout. Currently in use for payment at http://peepcode.com.

Ruby library for accessing the eFax Developer service

Ruby gem wrapper for the Experian net connect API.

gem-codesearch sets up a full text code search engine for rubygems mirror. It use rubygems-mirror to mirror rubygems and "Code Search" (https://github.com/google/codesearch) for search engine.

Experimental library for working with GoogleCheckout. Currently in use for payment at http://peepcode.com.

iDEAL payment gateway (see http://www.ideal.nl and http://www.activemerchant.org/)

Ruby library for integrating with http://Insight.ly . This gem makes it easy to talk to their recently released REST API. This includes dealing with Contacts, Opportunities, Organisations, and Tasks. It was originally develped for http://www.truckingoffice.com

Repub is a simple HTML to ePub converter. It lacks imagination and won't try to guess the source document structure, you will have to describe where to look for title and table of contents. In return, it provides you with greater control over generated ePub documents.

A command-line tool for generating and packaging app store assets for Game Center and In-App Purchases

A suite of utilities for bringing continous integration to your projects (not the other way around) with jenkins CI

MerbAdmin is a Merb plugin that provides an easy-to-use interface for managing your data

Adds a sitemap.xml file (following the sitemaps.org protocol) to your Middleman site for major search engines including Google.

The easier way to use Moip's transparent checkout.