Quantity provides first-class quantities, units, and base quantities in pure ruby. Things like 1.meter / 1.second == 1 meter/second.

Racker allows for hierarchical template definitions for Packer.

Client for accessing the Hive/Steem blockchain.

A fast chess library that use bitboards to play chess with Ruby.

Native extension gem for secp256k1 ECDSA and Schnorr signatures. Wraps libsecp256k1 natively without any need for FFI.

RDF::N3 is an Notation-3 reader/writer and reasoner for the RDF.rb library suite.

RDF::Normalize performs Dataset Canonicalization for RDF.rb.

RDF::RDFXML is an RDF/XML reader and writer for the RDF.rb library suite.

A flexible framework for neural network for Ruby

Redis-backed rate limiter

Ruby bindings for Snow Crash

Registry for Rails Exceptions

A more Ruby like way to write FUSE filesystems - inspired by (compatible with) FuseFS, implemented over RFuse

risu is a Nessus .nessus XML parser and report generation tool

Support library for DataMapper and Merb (Next Branch)

OpenStreetMap API client for ruby

RProgram is a library for creating wrappers around command-line programs. RProgram provides a Rubyful interface to programs and all their options or non-options. RProgram can also search for programs installed on a system. files without having to use YAML or define classes named like the file.

Schema-based validation and coercion for Ruby data structures, inspired by Prismatic/schema for Clojure.

HTML equivalence RSpec matcher

This library intends to follow the RTSP RFC document (2326) to allow for working with RTSP servers. For more information see: http://www.ietf.org/rfc/rfc2326.txt