The gem jqueryte is a rails engine which makes it easy to\ use a lightweight WYSIWYG HTML jQuery Text Editor in Ruby on Rails\ application.

ramp-model is a web-based model representation app. It provides WYSIWYG platform for bootstraping the data architecture of your next awesome app then gracefully provides you with the next step.

ActiveModel validator that ensures Word-tags hasn't been accidentally pasted into WYSIWYG attributes.

Imparavi wysiwyg editor for Rails 3.1+

A wrapper for jHtmlArea, a TextArea Wysiwyg editor

Formtastic aware WYSIWYG text-area editor (deprecated)

ueditor for rails 3 and rails 4, it is a good wysiwyg html editor

TinyMCE Hammer makes its easy to use the TinyMCE WYSIWYG editor inside a Ruby On Rails (3+) application.

Provides a front end for editing content in a contextual way with WYSIWYG editing

Quill is a free, open source WYSIWYG editor built for the modern web. With its modular architecture and expressive API, it is completely customizable to fit any need. Check: 'https://github.com/adnanmirza1/quill-js-rails-adnan' for documentation

This gem integrates the WYSIWYG JavaScript editor MediumEditor in Scrivito UI

A wysiwyg page editor allowing advanced layouts of pages, with a simple interface

Character WYSIWYG editor + Redactor.js

Provides WYSIWYG editor Elrte for Rails

gem to use WYSIWYG editor for rails user

ueditor is a WYSIWYG editor to be used inside web pages

Email newsletter templating and management system which allows a designer to develop templates and elements that are email-friendly and allows a user to create newsletters without html/css knowledge utilizing a wysiwyg interface. Also available with the mail manager (including contact and mailing...

Adds a WYSIWYG toolbar for the textile and markdown filters.

Javascript WYSIWYG using tinyEditor

Kit is DSC's Community and Content Management System (CCMS) built as a Rails engine for Rails 3.1 and above. It provides an entire application's worth of CMS functions including in-place WYSIWYG editing with versioning, flexible layouts and templates, CSS and JS all managed within your browser, d...