It lets you use methods like create, update, destroy in the Javascript while handling all the setup and providing basic security out of the box.

A simplified implementation of the data mapper pattern

show attributes better

Gist for MySQL

This gem generates configurable grids for Rails applications

A small, portable data warehouse for Ruby for analytics on anything!

sequel based dsl to migrate data from a legacy database to a new home

Data List Converter is a tool to convert data between different formats.

A magical extract, transform, load (ETL) library for data integration.

Dress ActiveRecord models in DataMapper robes

Generates Data Migrations on Migrate style.

Data migrations kit for ActiveRecord and ActiveJob

Converts DBF to modern formats.

Flexible data snapshotting for Ruby on Rails.

Ruby library to automatically preload data for your serializers

A very simple proof of concept to connecto to mongo

Ditto

DatatablesServer will receive a number of variables from a Datatables client and it will perform all the required processing (i.e. when paging, sorting, filtering etc), and then return the data in the format required by DataTables

Saving page lengths, search values, etc.

DataTask provides dependency-based programming for data workflows on top of the Rake build tool.