Generates a template directory that you can use to build a custom epub. After customizing templates, use bin/gen_epub.rb to create and validate an epub archive.

A gem to evaluate mathematical equations. Includes support for variables and functions.

Generate documents from a scope, ERB template(s) and Hiera data

Erector is a Builder-like view framework, inspired by Markaby but overcoming some of its flaws. In Erector all views are objects, not template files, which allows the full power of object-oriented programming (inheritance, modular decomposition, encapsulation) in views.

Connects Mejuri with third-party ERP vendors

Errand provides Ruby bindings for RRD functions (via rrd-ffi), and a concise DSL for interacting with RRDs.

Uses the asset pipeline to generate your static error pages.

This gem provides implements instrumentation with Errplane for Rails 2.3.x and 3.x applications.

Escher helps you creating secure HTTP requests (for APIs) by signing HTTP(s) requests.

Elasticity provides a higher level abstraction on top of [elasticsearch-ruby](https://github.com/elasticsearch/elasticsearch-ruby) gem

Ruby wrapper for ESLint. Uses ExecJS

Validate requests and responses against API Blueprint specifications

Build a query hash by a simple query string

Ruby gem to copy ElasticSearch index (reindex).

Make your Ruby objects searchable with Elasticsearch.

Parsing fixed width files made easy

Manage VMWare ESX hosts with ease

Dump etcd keys into dotenv file or docker env file

Ruby library for calculating reference crop evapotranspiration (ETo), also referred to as potential evapotranspiration (PET), using the FAO-56 Penman-Monteith method.

Eventboss Ruby Client.