This gem extends ActiveRecord::Base causing created_by_id and updated_by_id attributes to be set magically with about 30 LOC

Analyze and inspect CREATE TABLE SQL statements and translate across databases.

A credit card validation library to check offline validity of any AMEX, Discover, MasterCard, Visa cards using length and Luhn algorithm.

Creeper is an evented version of Stalker

CrewdPolicies enables conventional Pundit (https://github.com/elabs/pundit) policies to be written using an opinionated pattern based on declarative Create, Read, Execute (optional), Write and Destroy (CREWD) permissions for each resource. Conventional pundit create?, show?, update? and destroy? ...

An object-orientated approach to assembling complex criteria for querying ActiveRecord.

Fly low and slow over your AWS servers looking for weeds

A method named as has_inherited_actions is added which receives action names as paremeters which need to be defined on controller.

CRUD code generator using Rails ActiveRecord

CrustJSONEncoder is a JSON encoder for Ruby on Rails.

Gateway OMQ data to Cassandra

Encryption providers for crypt_keeper

Enables the encryption of specific ActiveRecord attributes.

Validations for Non Active Record Models

if ssconvert from gnumeric is installed it can convert xls and xlsx as well (single sheet)

A gem to import CSV files' content into a PostgreSQL or MySQL database. It is respectively based on PostgreSQL COPY and MySQL LOAD DATA INFILE which are designed to be as fast as possible.

A ruby gem to export all records of any model to a xls file

Gives Hash the ability to be turned into csv files

Import and export a CSV file in a very easy and simple way

CsvOmg easily lets you map CSV to objects. Inspired by happymapper.