Devise is awesome, but we don't need all that UI/UX for PassKeys. This gem is to make it easy to provide a back end that authenticates a mobile front end with PassKeys.

Pattern generator provides you with convenient commands to generate patterns in your Rails app.

Extensions and enhancements to Ruby's built in Logger class. Extensions include: multiple output streams, JSON formatting for easy aggregation, and a Railtie to set some sane(ish) defaults for production Rails environments.

pay_fu engine

A rails engine to integrate Paymill subscriptions within your Rails 4.1.6 application, out of the box

Peastash allows you to instrument your code with the ELK stack easily.

Sparklines are small but intense charts.

Use Percona (pt-online-schema-change) for migrations generated with this tool, all activerecord helpers are available.

Perfm aims to be a performance monitoring tool for Ruby on Rails applications.

Periodic Calculations gem allows you to retrieve periodic results of aggregates that can be accumulated over time with PostgreSQL.

Enforces DDL/migration safety in Ruby on Rails project with an emphasis on explicitly choosing trade-offs and avoiding unnecessary magic.

Rails assets admin panel theme pack to standardize theming across PHCDevworks plugins & applications.

A bunch of helpers and goodies intended to make life with Phlex even easier!

A mountable Phrasing adapter for editing images inline.

Use picturefill with Rails :)

Rails View Helper picture_tag extension

A gem for Ruby on Rails that will track key metrics (memory, request time & SQL Requests) for request & feature tests.

The piwik_analytics gem provides an easy way to include Piwik into your application. By default it will output the synchronous piwik tracking code for every page (given that it is configured correctly).

This gem provides all necessary tools to make a Rails application into a platform with third party applications.

Special kit that allows you create html5-ready Rails 3 apps quick with pre-included few useful libs in your app