Kuroko2 is a web-based job scheduler/workflow manager created at Cookpad Inc.

Translate your apps with pleasure (sort of...) and for free. It's simple i18n web interface, build on top of twitter bootstrap, that one may find helpful in translating app by non-technicals.

Audio/Video Transcoder for Paperclip using FFMPEG/Avconv

Self-hosted performance monitoring engine for Rails apps. Tracks slow requests, N+1 queries, and SQL performance. All data stays in your own database — no third-party cloud required.

Out of the box, Rails will render templates in a controller context only. This gem allows for calling "render" from anywhere: models, background jobs, rake tasks, you name it.

SAML IdP (Identity Provider) library in ruby

Sail is a lightweight Rails engine that brings an admin panel for managing configuration settings on a live Rails app.

You'll be in stitches at how easy it is to create a service at Stitch Fix

TabsOnRails is a simple Ruby on Rails plugin for creating tabs and navigation menu for a Rails project.

A rich text editor for everyday writing

Flexible workflow gem.

Store difference kind of actions (Like, Follow, Star, Block ...) in one table via ActiveRecord Polymorphic Association.

Use searchable selects based on Select2 in Active Admin forms and filters.

NO cookies, NO JavaScript, NO third parties and NO bullshit.

Keep Rails databases in sync across Git branches. Automatically roll back stale migrations, prevent database errors and unwanted schema diffs, and inspect migration history with a web dashboard.

Keep Rails databases in sync across Git branches. Automatically roll back stale migrations, prevent database errors and unwanted schema diffs, and inspect migration history with a web dashboard.

A full-featured, mountable analytics dashboard for your Rails app, powered by Ahoy.

A full-featured, mountable analytics dashboard for your Rails app, powered by Ahoy.

Barista provides simple, integrated support for CoffeeScript in Rack and Rails applications. Much like Compass does for Sass, It also provides Frameworks (bundleable code which can be shared via Gems). Lastly, it also provides a Rack Application (which can be used to server compiled code), a around_filter-style precompiler (as Rack middleware) and simple helpers for rails and Haml. For more details, please see the the README file bundled with it.

Bootstrap is Twitter's toolkit for kickstarting CSS for websites, apps, and more. It includes base CSS styles for typography, forms, buttons, tables, grids, navigation, alerts, and more.