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

Percy command-line interface

Server-side common library for Percy.

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

yet anothor performance measurement/monitoring tool

Intellgent json collection caching

Performify helps you to define your app logic in separated and isolated service classes that is easy to use, test and maitain.

Queue any method in any class or instance with no need for additional Worker class and no extra code

It recognizes common abbreviations and misspellings for names of the books of the Bible and a variety of ways of denoting ranges of chapters and verses. It can parse pericopes singly or out of a block of text. It's useful for comparing two pericopes for intersection and normalizing them into a we...

PerimeterX ruby module to monitor and block traffic according to PerimeterX risk score

Generating date/times based on rules. Perfect for (but not limited to) calendar/scheduling applications. Generate times based on rules like days of the week, timezones, time blocks, start dates, end dates, etc.

PostgreSQL adapter for Perpetuity

The Persist gem makes it really, really simple to persist Ruby objects to disk.

Easy denormalization for your ActiveRecord models

Personnummer handles validation of Swedish personal identity numbers.

Petri Net simulator

bundler like postgres extension manager

Quick #rebuild! method implementation for closure_tree on PostgreSQL.

Fast Ruby PG csv export. Uses pg function 'copy to csv'. Effective on millions rows.

pg_delta concisely summarizes the changes made by PostgreSQL migrations.