Strategies for cleaning databases using ActiveRecord. Can be used to ensure a clean state for testing.

Ridgepole is a tool to manage DB schema. It defines DB schema using Rails DSL, and updates DB schema according to DSL.

Apartment allows Rack applications to deal with database multitenancy through ActiveRecord

Migrate large tables without downtime by copying to a temporary table in chunks. The old table is not dropped. Instead, it is moved to timestamp_table_name for verification.

MySQL adapter for thoughtbot/scenic

Active Record adapter for https://github.com/trilogy-libraries/trilogy.

Read/Write proxy for ActiveRecord using primary/replica databases

The Atlas Engine is a rails engine that provides a GraphQL API for address validation.

Adds AWS Aurora failover support to Trilogy.