Access YAML, JSON (and ...) configuration files with ease

Provides a simple mechanism to maintain and use different configurations stored in yml files.

manage file dependencies for gems

Implementation of Loan/Mortgage functions in Ruby language. APR function and PMT function. In calculations it includes implementation of bank fee, marketplace fee, fees for each payment to provide the most precise calculation at very high speed.

Find GitHub Email is a gem to find any GitHub user's email addresses based on their commit history.

A nicer replacement for Ruby's Struct and OpenStruct

Fingerprint is a tool for creating checksums of entire directory structures, and comparing them for inconsistencies.

Implements the Finitio information language in Ruby.

Create deep link for web and mobile app using Firebase Dynamic Links service

This library can read and write FIT files and convert them into a Ruby data structure for easy processing. This library was written for Garmin devices like the FR620, Fenix 3, Fenix 3 HR, Fenix 5 (s and X). Fit files from other devices may work as well but have not been tested.

A Ruby interface to the Fitbit API, using OAuth2 (renamed to fitbit_api)

This gem allows requesting data from Fitbit API using OAuth2

Ruby gem for reading Garmin FIT files

Coverage API Blueprint, Swagger and OpenAPI with RSpec for easily make high-quality API and documenatiton

A Rating system for your Ruby objects; Rate an object with one or more rating classifications.

A cloudflare DNS resolver client library.

Flea is an extremely simple, but extremely extensible Lisp interpreter written in Ruby.

Easily fetch product information from third party websites such as Amazon, Steam, eBay, etc.

Schema-free, structured JSON storage inside a RDBMS.

Gem to conveniently handle multiple models in a single form. Rails 2 plugin by Ryan Bates converted into a gem.