Capture the SQL that is executed when running ActiveRecord migrations so that it can be run in in other environments that don't support migrations.

Subscribe to and build activity feeds for your models, for example followings and friendships

Audit model events like update/create/delete + attribute changes + group them by transaction, in normalized table layout for easy query access.

A tool for automated testing and debugging of automation scripts (e.g., Chef).

Context based validations for ActiveRecord models

CoolId generates primary keys using prefixed nanoids for ActiveRecord models, providing unique and readable identifiers.

csvpack - work with tabular data packages using comma-separated values (CSV) datafiles in text with datapackage.json; download, read into and query comma-separated values (CSV) datafiles with your SQL database (e.g. SQLite, PostgreSQL, ...) of choice and much more

Regression testing for data

Different relational databases treat text search very differently. DbTextSearch provides a unified interface on top of ActiveRecord for SQLite, MySQL, and PostgreSQL to do case-insensitive string-in-set querying and CI index creation, and basic full-text search for a list of terms, and FTS index ...

A configurable demo mode for your Rails app. Specify your desired "personas" and DemoMode will handle the rest.

Detectify provides a simple way to retrieve an ActiveRecord entity based on the domain/subdomain request information.

Generate the SQL to insert a single record and all of its dependencies

Comprehensive full text search for ActiveRecord and MySQL

An earth-simulation environment with ActiveRecord models and data

Elasticrawl is a tool for launching AWS Elastic MapReduce jobs that process Common Crawl data.

Simple autocomplete for your models using awesome elasticsearch and tire gem

This project is a compilation of datasets related to emails. Includes disposable emails, disposable domains, and free email services.

Use migrations and simple syntax to manage constraints in PostgreSQL DB.

Sometimes you don't want your users to see the actual ID of your databases entries. This gem allows you to hide the ID.

Enum Attributes Validation provides validation functionality for enum attributes in models.