pink_panther is a deductive reasoning framework for Ruby, which provides a DSL for describing and analyzing scenarios.

Pinport is a command-line tool for importing a large list of PINs (Personal Identification Numbers) into a MySQL Database

PIONE(Process-rule for Input/Output Negotiation Enviromenment) is a rule-based workflow engine.

Create, grow, and remove ebs+md+lvm volumes and disks

An interface for the Pipl API

Pirka highlights source code syntax in EPUB books

RDFS.rb is a forward-chaining inference engine that implements the RDF Schema (RDFS) entailment rules.

Pivit is a wrapper for the Pivotal Tracker API

Create speedchart from pivotal tracker

Placid is an ActiveRecord-ish model using a REST API for storage. The REST API can be any backend you choose or create yourself, provided it follows some basic conventions.

Access the Plaid API using Ruby

Wrapper for the Plancast API

A ruby wrapper for accessing plangrade's REST API

Plant a file and directory structure

Login to Office 365 Teams, Yammer.

Authentication with OmniAuth, API integration

A Ruby DSL describing Web Services without implementation details.

Convert playlists between different formats

Pliable makes integrating a Rails project with Schemaless data not so painful

Pling Gateway to ActionMailer