The elefant gem gives you a few insights analytics about your PostgreSQL database

Provides WYSIWYG editor Elrte for Rails

Elusive Icons SASS gem for use in Rails projects.

Embargo framework!

A tool set for building ember apps.

Emerald is a generator for RDoc, like standard Darkfish, but looks much better (and does not have this touch of green). It is inspired by Hanna, but does not share any code with it (and does not use frames!).

Emma.css { emmet-like utility classes } for Rails

Semi-static site engine.

This is a fork of Erector, updated for Rails 4.

Description of EspAuth.

Description of EspPermissions.

A design system for Ethos

A collection of SCSS tools for creating responsive websites. Includes a simple but powerful grid framework, media query helpers and sprite helpers.

Facades is a collection of front-end patterns and libraries designed to speed up development of web sites and applications.

Advanced and responsive front-end framework for web development.

family.scss is a set of Sass mixins which will help you to manage the style of :nth-child'ified elements, in an easy way. This gem allows you to easily import family.scss into your Rails project.

Fancy Notifications adds nice CSS and JS effects to flash notices, so you don't have to.

Asset compiler for front-end assets.

Simple and fast ui kit

An open source, Ruby on Rails customer relationship management platform