Actionable Agile Metrics and Monte Carlo forecasting engine

Return true or false when you specify the day of month (by Time class, Date class, DateTime class or String class). The criteria is whether the day is 'PREMIUM FRIDAY' or not. 'PREMIUM FRIDAY' is the last friday in month in Japan.

Prescient provides a unified interface for AI providers including local Ollama, Anthropic Claude, OpenAI GPT, and HuggingFace models. Built for AI applications with error handling, health monitoring, and provider switching.

A Ruby client for the RESTful HTTP APIs provided by the Preservation Catalog API.

"Handle direct file uploads to cloud storage services via presigned URLs."

PrettyRoutes is a Rails engine to display and interact with routes of your application

PrettyValidation generate validation modules from database schema

Toolbox to create complex pricing models

An example of embedding ActiveRecord (and migrations) in a cli app

A generalized Rails-like preloader

Output the multiplication table of the first `n` prime numbers

Command line tool for printing out a multiplication table of the first N prime numbers.

The most reusable components from several domain-focused libraries will be extracted here as a common consumption point.

A framework-agnostic Ruby SDK for Printavo supporting the v2 GraphQL API. Provides both a resource-oriented interface (client.orders.all) and rich domain models (Printavo::Order), plus raw GraphQL access and Rack-compatible webhook verification. Built to bridge Printavo with external operational systems.

Priority Queue and Binary Heap

Prism helps you split your apps and your design document into visible components. Its purpose is to enable designers to be an effective part of a QA / Continuous Integration process.

PrizePick client to fetch data from the PrizePicks API.

A "problem detail" as a way to carry machine-readable details of errors in a HTTP response, to avoid the need to define new error response formats for HTTP APIs.

A self-balancing long-running job runner

Run and control processes.