DataValidator has almost active_recorde validation methods.

How many years, months and days are there between two dates

Simple and composable validation and coercion of data structures inspired by clojure specs

DataMapper backend for delayed_job

This interface is used to get credit check, address informations and collection checks from the Deltavista/CRIF service.

Timezone aware datatypes for DataMapper

Drupal exporter that prepares content to be imported

Support to help you develop Zendesk Apps.

Rails I18n: a very lightweight tool to allow you to transparently store multiple translations of attributes directly inside each DB record -- no extra database tables needed to store the localization data!

Easily generate fake data: names, addresses, phone numbers, etc.

FlyData Agent

Easily convert between different distance units such as kms, miles etc.

Enables the creation of scenarios that involve creating a rails project, starting and stoppping of servers, generating projects, editing files, issuing http requests, running of commands, etc. Output is captured as a single HTML file that can be viewed locally or uploaded. Additionally, there is support for verification, in the form of defining assertions based on selections (typically CSS) against the generated HTML.

The sweet 'n simple cms and prototyping tool for creating static html websites and webapps.

Control Heroku from Ruby via its `heroku` shell command.

A Ruby port of the HID API from Signal 11 Software (http://www.signal11.us/)

Derive DateTime from Time expression with Natural language (STILL ONLY IN JAPANESE)

Humanizes datetime for Active Record objects.

Rails I18n Backend for Http APIs with etag-aware background polling and memory+[memcache] caching

Tired of jumping between language files when translating keys? Stop jumping and have all the languages side by side.