eBayR is a gem that makes it (relatively) easy to use the eBay Trading API from Ruby. Includes a self-contained XML parser, a flexible callback system, and a command-line client which aids integration into other projects.

EBNF is a Ruby parser for W3C EBNF and a parser generator for PEG and LL(1). Also includes parsing modes for ISO EBNF and ABNF.

A basic API for reading and writing GPX files.

Crawl instagram photos, posts and videos for download.

This is a simple and easy-to-use Jenkins Pipeline generator with features focused on automating Job & Pipeline creation from the YAML files checked-in with your application source code

A library for dealing with SOAP requests and responses. We tear our hair out so you don't have to.

Nagios access at your ruby fingertips

The official PagSeguro library

Convert a Rack app into a static HTML site.

Adds simple HTML snippets into Prawn-generated PDFs. All elements are layouted vertically using Prawn's formatting options. A major use case for this gem is to include WYSIWYG-generated HTML parts into server-generated PDF documents.

Web page speed optimizations at the Rack level

Defines several standard RDF vocabularies

Remotely open and parse Excel XLS, ODS, CSV and fixed-width tables.

DANFE and DACTE pdf generator for Brazilian invoices and transportation docs.

Prepare SSML and GRXML documents with ease

Saxerator is a streaming xml-to-hash parser designed for working with very large xml files by giving you Enumerable access to manageable chunks of the document.

Scarpe - shoes but running on webview

Crawl web sites easily using ruby recipes, with caching and nokogiri.

yet another command line client for gist

Russian e-commerce solution based on Spree