POML is a Ruby gem that implements POML (Prompt Oriented Markup Language), a markup language for structured prompt engineering. This is a Ruby port of the original Microsoft POML library, providing comprehensive tools for creating, processing, and rendering structured prompts with support for multiple output formats including OpenAI Chat, LangChain, and Pydantic.

A clean, extensible Ruby client for the Postmark transactional email API. Built with Faraday and designed for Rails 8+ applications.

Ruby Prayfile CLI and library: resolve, lock, render, verify, and publish inference input packages. Consumes path, git, and registry distribution points.

Extremly vobecoded progres bar overkill. API-compatible with ruby-progressbar, but not taste-compatible with the npn-flamboyant. Animated progress bars for Ruby CLI applications. Features include 15+ color palettes, 20+ bar styles, 27 spinner animations, real-time metrics with sparklines, Gantt chart rendering, Kitty/iTerm2 inline graphics support, and decorative ASCII frames. Pure Ruby, zero dependencies. Works with any Enumerable via .with_progress extension.

Pronto runner for Biome, reports only on lines changed in the diff

Pronto runner for golang tools

pronto-rubycritic integrates RubyCritic into the Pronto workflow, reporting reek / flay / flog / complexity / churn smells only on lines added or modified in a pull request. Supports configurable per-analyser filters and GitHub/GitLab output formatting.

Protege is an email-native AI agent toolkit focused on simplicity, interoperability, and self-sovereignty.

Protocol abstractions for gRPC, built on top of protocol-http.

Compile and run mruby/c scripts on a Raspberry Pi Pico W over USB serial.

PrReview collects PR data from GitHub (description, commits, comments, linked issues, and code changes) and formats it as XML. Paste this XML into any LLM like ChatGPT or Claude to get helpful code reviews.

Uses oauth2 to connection to the Powerschool API. Heavily refactored code (not dependent on Rails) starting with: https://github.com/TomK32/powerschool

A Puma webserver plugin for automatic access to certificates from Let's Encrypt and any other ACME-based CA.

Puppeteer-BiDi is a Ruby implementation of Puppeteer that uses the WebDriver BiDi protocol to automate Firefox browsers. Unlike puppeteer-ruby which uses Chrome DevTools Protocol (CDP), this gem focuses on BiDi protocol support for cross-browser automation, particularly targeting Firefox.

QRForge is a Ruby gem for rendering QR codes with different designs and formats.

Some audio files format to mp3

Rack::Bacoo combines HTTP Basic Authentication with a session cookie so that you don't have to input username and password on each visit. The session cookie is encrypted (aes-256-gcm), and the password inside is hashed (bcrypt).

A rack middleware for logging requests to InfluxDB

Racknga is a Rack middlewares that uses Rroonga features.

Middleware collection to secure a Rack application