Ember.js - A JavaScript framework for creating ambitious web applications

Smooth scrolling for the web

Open source rich text editor based on HTML5 and the progressive-enhancement approach. Uses a sophisticated security concept and aims to generate fully valid HTML5 markup by preventing unmaintainabl…

A data persistence library for Ember.js.

In-browser code editor

Liquid markup language. Safe, customer facing template language for flexible web apps.

Spell check your HTML pages with Aspell, Nokogiri, and Rack.

A base Spinto (www.spintoapp.com) site using Blueprint (blueprintcss.org).

A base Spinto (www.spintoapp.com) site using Skeleton (www.getskeleton.com).

A fully featured HTML5 WYSIWYG editor written in CoffeeScript on top of the Rails 3.1 asset stack

Chosen is a library for making long, unwieldy select boxes more friendly.

The Artsy Engineering Open-Source Developers Blog

A fork of wysihat to work with jQuery

Barron helps you with locking. It uses file-system locks, but eventually configurable backends would be nice.

The Spinto Ruby Gem - Build Jekyll sites like www.spintoapp.com does.

WarpDrive is the lightweight data library for ambitious web apps — universal, typed, reactive, and ready to scale.

Jekyll is a blog-aware, static site generator in Ruby (install this fork with the spinto-jekyll Gem)

Open source rich text editor based on HTML5 and the progressive-enhancement approach. Uses a sophisticated security concept and aims to generate fully valid HTML5 markup by preventing unmaintainabl…

Mercury Editor: The Rails WYSIWYG editor that allows embedding full page editing capabilities directly inline.

Deprecated - Chosen is a library for making long, unwieldy select boxes more friendly.

Similar to HTML and Latex formatters included in RedCloth, this one allows you to convert Textile to plain text discarding the Textile syntax

An acts_as_sortable/acts_as_list replacement built for Rails 4+

In-browser code editor (version 5, legacy)