A lightweight library to define object conversion methods/modules.

Wunderground API wrapper on steroids

Generates attr_accessors that encrypt and decrypt attributes transparently

Passbook pass generator.

Powertrack is a gem used to develop GNIP PowerTrack streaming clients.

A simple library for streaming from Powertrack 2.0, as well as managing rules for your stream.

This adds `PP.pphtml` and `Kernel.pphtml` functions so that you can easily inspect HTML strings in your terminal. It merges functionality from CodeRay and HTMLBeautifier to provide a delightful terminal session. This is little helper tool that I usually wish I had quick access to.

Preprocessor in Ruby: provides a Ruby class named Rpp which implements a text preprocessor where macros are specified in Ruby language. Usage: ppr = Ppr::Preprocessor.new(<configuration options if any>) ; ppr.preprocess(<input stream to preprocess>, <output stream where to write the preprocess...

This gem can extract the xml info from a pptx file and convert it to human-readable text. It was intended to be used with git for seeing changes between revisions.

Minimal ASN.1/DER/PEM/Base64 codec implemented in C with no OpenSSL dependency. Designed for post-quantum key serialization (SPKI, PKCS#8) but usable for any scheme that needs DER TLV encoding, Base64 with PEM line wrapping, and PEM armor parsing. Used by the ml_dsa gem and reusable by ML-KEM, ...

Native Ruby wrapper around ML-KEM, ML-DSA, and an optional hybrid ML-KEM-768+X25519 KEM, backed by PQ Code Package native sources and OpenSSL.

Ruby-only adapter that adds post-quantum ML-DSA JWS signing and AKP JWK/JWKS helpers to ruby-jwt, backed by pq_crypto.

Versioned multi-recipient document encryption using PQCrypto hybrid KEM, HKDF-SHA256, and vendored AEGIS-256.

Priority Que for ruby

Provides a very malleable Praat file parser

Plantuml Ruby on Rails 3/4/5 model class diagram generator. Originally based on the 'preston/railroady' plugin and contributions of many others.

A small gem for intercepting raise calls to dig up hidden and buried exceptions.

Demo Gem

A system for building reusable chunks of Prawn code

A tiny Ruby gem to render a subset of Markdown in PDF files