Contrek is a Ruby gem with a C++ core for fast contour tracing and edge detection in PNG images. It extracts polygonal contours from bitmap shapes, enabling image processing, shape analysis, and raster-to-vector workflows such as PNG to SVG conversion.

Utilities for working with conventional commits

Digital Cookie is the official platform for managing sales of Girl Scout cookies. This client provides an excellent way to teach Girl Scouts about programming in a domain they are familiar with.

Provides both local (in-process) and shared (Redis-based) counting semaphores for controlling concurrent access to resources

Helper to setup good coverage for tests

A tiny client for the Cover Art Archive web service

Craby is just a quick test suite setup for Rails application

The tool what you miss for managing Rails credentials

Combine the benefits of the widely used ENV vars approach with the encrypted credentials of Rails 6+. Share a single key with your team to unlock the version-control changes of all API keys.

Shared Rubocop config used at DashBrains

Database meta and core data extraction.

A ruby gem for validating your data migrations

DeDupe is a Ruby gem for distributed deduplication and locking using Redis Sorted Sets. It provides a simple and efficient way to prevent duplicate execution of tasks across multiple processes or servers, with automatic TTL-based expiration and cleanup.

DeprecatedAttributes provides a straightforward and unobtrusive method for flagging deprecated attributes in your model. When these attributes are accessed, a warning message will be logged along with a trace of where the deprecated attribute was called. Additionally, an exception can be raised if desired.

Unofficial Ruby object based DHL eCommerce API wrapper.

This gem uses the discogs wrapper gem to fetch user wishlist information and then does some custom scraping to get items for sale in your selected country.

A CLI tool written in Ruby to help you remove unneeded GitHub forks.

Description of Docs.

A gem that enhances the Rails dom_id helper method, allowing it to accept multiple ActiveRecord models or custom strings as arguments.

DotKey provides an elegant way to read, write, and manipulate deeply nested Hashes and Arrays using dot-delimited strings. It supports wildcards for pattern matching, custom delimiters, and flexible handling of missing values - making it ideal for working with complex data structures, configuration objects, and API responses.