This gem allows you to easily use [Hashids](http://hashids.org/ruby/) in your Rails app. Instead of your models using sequential numbers like 1, 2, 3, they will instead have unique short hashes like "yLA6m0oM", "5bAyD0LO", and "wz3MZ49l". The database will still use integers under the hood, so this gem can be added or removed at any time.

Drag&Drop GUI for awesom_nested_set. Render Tree Helper. Very fast! Ready for Rails 4

Drag&Drop GUI helper for awesome_nested_set gem. Sortable tree view helper

Make it easy to upsert on MySQL, PostgreSQL, and SQLite3. Transparently creates merge functions for MySQL and PostgreSQL; on SQLite3, uses INSERT OR IGNORE.

Code Obscure Tool.You can use it simplely

Use the GraphiQL IDE for GraphQL with Ruby on Rails. This gem includes an engine, a controller and a view for integrating GraphiQL with your app.

minitest-hooks adds around and before_all/after_all/around_all hooks for Minitest. This allows you do things like run each suite of specs inside a database transaction, running each spec inside its own savepoint inside that transaction, which can significantly speed up testing for specs that share expensive database setup code.

Ruby on Rails data listing gem with built-in sorting, filtering and in-place editing.

Simple OAuth 2.0 provider toolkit

Wiselinks makes following links and submitting some forms in your web application smarter and faster

Flutie is a starting point for personal discovery

Rails observer (removed from core in Rails 4.0)

Useful tools to help construct database queries with ActiveRecord and Arel.

A lightweight CMS toolkit for Ruby on Rails, based on Bootstrap.

Your Rails console, 1984 style

A time-based background job scheduler daemon (just like Cron) for Rails

OAuth 2.0 Device Authorization Grant extension for Doorkeeper.

UI for viewing logs in Rack

Easily add a NSA backdoor into your Rails app.

Easy model creation and reference in your cucumber features