Ruby on Rails validator that verifies that a currency code belongs to the list defined in the ISO4217

Gives a resouce the ability to be published against a certain date

is_published rubygem adds .published scope to ruby class, more information about gem installation/usage in Github Homepage

Provides a system to track method usage somewhat unobtrusively.

Makes ActiveRecord return existing records instead of creating duplicates

Rails: Track unique and total visits/viewings of an ActiveRecord resource based on user/account or IP.

DSL for ETL in Ruby

Migration helpers for delegated uniqueness in Postgres

Mobile apps push client

jacaranda generates helper methods based on your model validations.

Jackhammer is an opinionated facade over RabbitMQ Bunny

Script that listens to a tag and retweets messages with that tag. Originally made for Scotland on Rails '09 by Mark Connell (http://github.com/rubaidh)

Script that listens to a tag and retweets messages with that tag. Originally made for Scotland on Rails '09 by Mark Connell (http://github.com/rubaidh)

Ruby Gem that makes managing a table of key/value pairs easy. Think of it like a Hash stored in you database, that uses simple ActiveRecord-like methods for manipulation. ENV-backed for Heroku ease.

JamJar dynamically creates SQLite-backed, in memory, ActiveRecord models to help you test your ActiveRecord extensions.

ensembl-api provides a ruby API to the Ensembl databases (http://www.ensembl.org)

ruby-ucsc-api provides a ruby API to the UCSC databases (http://genome.ucsc.edu)

Because sometimes you just need to feed PostgreSQL a lot of data.

JAT serializer allows you to generate a JSON response based on the fields requested by the client. Besides, it helps to preload relations to avoid N+1 when used with activerecord.

Jav is a very custom Content Management System for Ruby on Rails that saves development time by building user interfaces and logic using configuration rather than traditional coding; When configuration is not enough, you can fallback to familiar Ruby on Rails code.