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Forms made easy for Rails! It's tied to a simple DSL, with no opinion on markup.

Fast, Nimble PDF Writer for Ruby

Dynamic nested forms using jQuery made easy; works with formtastic, simple_form or default forms

Elasticsearch integrations for ActiveModel/Record and Ruby on Rails

A Ruby gem to transform HTML + CSS into PDFs using the command-line utility wkhtmltopdf

Search Engine Optimization (SEO) for Ruby on Rails applications.

xlsx generation with charts, images, automated column width, customizable styles and full schema validation. Axlsx excels at helping you generate beautiful Office Open XML Spreadsheet documents wi…

Ruby on Rails API documentation tool

SitemapGenerator is a framework-agnostic XML Sitemap generator written in Ruby with automatic Rails integration. It supports Video, News, Image, Mobile, PageMap and Alternate Links sitemap extensio…

Ruby on Rails 3/4/5 model and controller UML class diagram generator. (`brew/port/apt-get install graphviz` before use!)

Official repository of the bootstrap_form gem, a Rails form builder that makes it super easy to create beautiful-looking forms using Bootstrap 5.

The exceptionally handsome dashboard framework for Rails.

Usable, fast, simple HTTP 1.1 for Ruby

jQuery UI for the Rails asset pipeline

Heroku's classic buildpack for Python applications.

A collection of Ruby methods to deal with statutory and other holidays. You deserve a holiday!

Authorization for Rails + GUI. Semantic, Flexible, Lightweight

Gemification of rails's country_select

Ruby library to access flickr api.

The Rails Tutorial Sample App, 2nd Edition

A gem/plugin for Rails 3, Rails 4, Rails 5, and Rails 6 that enables client-side validation using ActiveModel + HTML5 Form Validation

Very simple captcha with Rails 3 & 4 & 5 & 6 & 7 support

Rails 3 support now! Simple Captcha is the simplest and a robust captcha plugin. Its implementation requires adding up a single line in views and in controllers/models.

Courseware setup and information for instructors

A demo app using Ransack to create advanced search forms.

An introductory two day Ruby course

Rails 3+4 support now! Simple Captcha is the simplest and a robust captcha plugin. Its implementation requires adding up a single line in views and in controllers/models.

CSV template handler for Rails 3