Find unnecessary selected database columns.

Context based validations for ActiveRecord models

In Service Asynchronous Job Scheduler for Rails. This gem handles ActiveRecord model as schedule definition.

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

Allows you to work with the date and time parts of DateTime attributes separately. Plays with time zones and ActiveModel as well.

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 creation.

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

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 enum fields for ActiveRecord

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

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

A simple plugin to handle, log, and customize production errors

Micro-framework, application generator and CLI wrapped around the Sinatra DSL.

fake_arel will simulate rails 3 arel syntax for Rails 2.

Use raw SQL to insert database records in bulk. Supports uniqueness constraints, timestamps, and checking for existing records.

Factories via fixtures

Schema-free, structured JSON storage inside a RDBMS.

Genealogy is a ruby gem library which extends ActiveRecord models in order to make its instances act as relatives so that you can build and query genealogies