Works with Facebook.

Automatic Foreign Key automatically generates foreign-key constraints when creating tables or adding columns. It uses SQL-92 syntax and as such should be compatible with most databases that support foreign-key constraints.

A highly available, reliable messaging infrastructure

Ruby UCSC API: accessing the UCSC Genome Database using Ruby

Agent to collect data for common server programs and push them to CopperEgg

首趣微店核心模块,包含结算项的创建、更新、删除,微店主积分的更改等信息

Rails active record grouping with range

A simple Rails 3 engine gem to manage and send newsletters.

Simplify the management of a sandbox database that can sync content to a production database. Content changes can be bundled to allow partial syncs of the database.

Loads all records from the table on first use, and thereafter returns the cached (and frozen) records for all find calls. Optionally, creates class-level methods you can use to grab the records, named after the name field you specify.

Simplify the management of a sandbox database that can sync content to a production database. Content changes can be bundled to allow partial syncs of the database.

Simplify the management of a sandbox database that can sync content to a production database. Content changes can be bundled to allow partial syncs of the database.

Database exporter that prepares content to be imported

super-fast database cleaner

db2fog provides rake tasks for backing up and restoring your DB to cloud storage providers

helps manage db dumps and imports via rake tasks

Tool for managing and executing your database migrations. It supports multiple databases and multiple languages for writing migration scripts.

Monitors the delayed_job queue and periodically tests its ability to deliver e-mail messages and e-mails you if something goes wrong, such as the delayed_job process crashes or one of its jobs fails or takes too long to complete.

pin some task around deployment to execute them during deployment circle

dkd basic deployment tasks and strategies