Useful for APIs that limit requests

Set of ActiveRecord classes to work with the Daylite 3 database

A JSON API Ruby client

Simple gem to handle in-process scheduling of tasks

Days Picker helps you find the total Weekdays, Sundays, Mondays, Tuesdays, Wednesdays, Thursdays, Fridays and Saturdays of a Month or in a Year. (ie Weekdays.in_jan(2012), Sundays.in_jan(2012) ,Saturdays.by_year(2012) .. )

A simple DB backup tool

DB Bot uses Natural Language Processing (NLP) to construct DB queries. What that means is you can interact with your database like you're talking to a human

db_cache_store is an alternative rails cache engine, that will use database server

Distributed cron powered by your database

A package for importing DB Designer 4 xml models in rails.

DBDiagram

Tracking database commits for ActiveRecord

AR generate beautiful graphs from date fields, in 1 LOC

Database rake tasks for rails apps

Allow to prepend prefix tags to the beginning of the query logs to track name, shard and role of the database

A ruby gem for validating your data migrations

Dump (parts) of your database to db/seeds.rb to get a headstart creating a meaningful seeds.rb file

Suck whole databases, tables and even incremental updates and save your presets for easy reuse.

Unload and upload database-tables to a file-system

Tool for database maintenance.