Abachrome provides a robust set of tools for working with colors: parsing, manipulation, conversion, etc. Supports RGB, HSV, OkLab and OkLch.

ActiveModel::Caching is a versatile gem for managing structured, temporary data using a caching backend, typically Rails cache for Rails applications. This gem provides an easy-to-use API for storing, retrieving, and manipulating data structures like scalars, lists, and JSON, making it simple to handle transient data without adding extra dependencies.

Automatic reconnection for Postgres

Extension for ActiveRecord to get serializable and marshalizable models using Rasti::Model

Rails gem to allowing records to leave footprints

Build XML descriptions of aeronautical infrastructure either as AIXM 4.5 (Aeronautical Information Exchange Model) or OFMX 1 (Open FlightMaps eXchange).

This is a reusable alarm concern for Active Recordmodels. It adds support for the automatic maintenanceof Active Job's which are scheduled for the givenalarms.

A simple gem to calculate amortizing loan payments, as part of training at Samyukti

A Ruby gem for calculating anthropometric z-scores and percentiles based on the WHO and CDC 2000 growth chart data.

Code project template renderer

Converts STEM blocks and inline macros to SVG images using MathJax-node for AsciiDoctor PDF.

Implementation of the ISO Standard Atmosphere (ISA) model as defined in ISO 2533 and ICAO 7488/3 1994. Reference implementation used in ISO 2533:2025."

Command line for playlist management and voting for AudioAddict radio networks

Bitcoin unit converter in Ruby

CLI tool for Bitflyer

CLI for build.io

Provides an easy to use API to get currency rates data from the Bloomberg website

The Buckaruby gem provides a Ruby library for communicating with the Buckaroo Payment Engine 3.0.

Automation steps and mock server to validaterequest payloads response.

Calculator basic