Passety is the easiest way to manage things you own. See https://passety.com for details.

PassForge is a feature-rich Ruby gem for generating secure passwords. It supports random passwords, memorable passphrases (XKCD-style), pronounceable passwords, pattern-based generation, password strength analysis, entropy calculation, and breach checking via HaveIBeenPwned API.

Passr is a simple Ruby gem handling password generation, encryption and decryption.

Password Breach Alert is a Devise extension that adds 1) server-side check of password strength before registration, using a list of common passwords, zxcvbn and haveibeenpwned; 2) a way to check users emails against recent verified security breaches, and implement different customized policies.

Generate a list of passwords from command line with options for length and complexity into a file of your choice.

You can setup the check when a password can be reused by a user. It lets you configure the last 'n' password can not be used by user when they change it.

A library for creating simple finite state machines.

A client for accessing freely-available patent data

Some extra sensible validations

Preserve SEO of your site by redirecting old non-working paths to new active application paths

Pattern matching library for plain data structure

A ruby implementation of the Kismet client protocol.

Pattern generator

Generate your pattern files through this generator: Eq. rails g pattern MyCustomDecorator

Gem to help manage, test and run common string patterns.

Pavlov's RSS

Pawnee attempts to build a better server provisioning system

Interface for interacting with the paychex enterprise API

Ruby library for integrating with the PAYDUNYA Gateway

PaygatePk is a provider-agnostic Ruby/Rails client for payment gateways operating in Pakistan. 1.0 ships PayFast hosted-checkout (redirection) and callback verification with a one-line Rails view helper. Easypaisa REST (MA/OTC/Inquiry) lands in 1.1.