NMatrix is a linear algebra library for Ruby, written mostly in C and C++.

Numo::NArray - New NArray class library in Ruby/Numo.

CAS 3.0 Strategy for OmniAuth

A type information generator, merger and parser for Sorbet and Ruby 3/Steep

Pliny is a set of base classes and helpers to help developers write excellent APIs in Sinatra

The ruby client for Recurly's V3 API

Distrubuted mutex using Redis

Convert RGeo data to and from GeoJSON. rgeo-geojson is an extension to the rgeo gem that converts RGeo data types to and from GeoJSON.

Sablon is a document template processor. At this time it works only with docx and MailMerge fields.

See history about your workers (GSoC project)

Format dates and times based on human-friendly examples, not arcane strftime directives.

Draw various frames and boxes in the terminal window.

Make it easy to upsert on MySQL, PostgreSQL, and SQLite3. Transparently creates merge functions for MySQL and PostgreSQL; on SQLite3, uses INSERT OR IGNORE.

active_admin skin

AnyCable integration for Rails

A quick and easy way to visually test out your application's API.

Microsoft Azure Storage Table Client Library for Ruby

An object model for CloudFormation templates

Integrates cypress with rails or rack applications

Eventmachine redis client using hiredis native parser