An ActiveRecord extension to use aliases for your polymorphic associations.

Rails caching with an RDBMS backend. Also a key/value store with a Redis compatible interface backed by an RDBMS.

Portfinder is a ruby based port scanner with features like network/CIDR scanning, port randomization, hostname discovery and banner grabbing.

Queries ActiveRecord DBs for info regarding auto vacuum processes and long running queries.

A simple Rails blog engine powered by markdown.

Preserve is a Rails plugin which stores selected parameters in the session to make them available in subsequent requests.

Add random, unique "pretty" ids to your ActiveRecord models.

This gem allows to define a custom order in which callbacks are called

Handle camel/snake/dash case conversion. forked from vigetlabs/olive_branch.

Manage HTTP(S) and SOCKS proxies for Rails apps. Supports ActiveRecord and Mongoid as ORM.

ActiveRecord extension to find out near by (proximal) previous and next records from the ActiveRelation scopes (using AREL). Uses special sub-queries. Supported mysql2 and postgresql adapters.

Add pool usage statistics within your log files.

Apartment allows Rack applications to deal with database multitenancy through ActiveRecord

A Rails grid plugin to create grids with sorting, pagination, and filters generated automatically based on column types. The contents of the cell are up for the developer, just like one does when rendering a collection via a simple table. WiceGrid automates implementation of filters, ordering, paginations, CSV export, and so on. Ruby blocks provide an elegant means for this.

Redis for Ruby on Rails

A gem that removes duplicates when multiple copies of a que job are enqueued.

Implements Law of Demeter by mapping associated record attributes as own attributes (one-way read-only). Consequently, speeds up SQL queries by removing joins queries between intermediary models, at the cost of slower writes. This is an anti-normalization pattern in favour of actual data-redundancy and faster queries. Use this only as necessary.

Rabl generators for Rails resources

rack-metrics is a performance monitoring tool.

Rack middleware to generate pages that can be served by a web server. Compatible with Rails page caching.