Time zone lookup by country, region, and city for those times when latitude/longitude coordinates just aren’tavailable 🚀

Parallel tests, coverage (SimpleCov-compatible) formatters, fixtures/snapshots, assets & DB provisioning—zero runtime deps

Server-Timing headers for Rack applications

Automatically use UUID v7 for all primary keys in Rails applications. Works with PostgreSQL, MySQL (mysql2 & trilogy), and SQLite, zero configuration required.

Profile Ruby #require/#load/etc calls

Run tests, linters, security audits, and formatters with a single command. Reviewer wraps your code quality tools into a consistent interface with git-aware file targeting, auto-detection, and multiple output formats.

Extends Ridgepole to support TiDB's AUTO_RANDOM column attribute for seamless schema management

A collection of executable best practices for common aspects of Rails application development.

A set of common classes, modules, and functions for Rune.rb.

RubyDSP is a small gem for rudimentary audio processing, DSP, and synthesis. It aims to have basically zero dependencies (AND WARRANTIES)! See Documentation for more.

Ported from Python dat library

Provides Ruby classes and utilities for working with EVE Online's Static Data Export (SDE)

Generates highly concise, deterministic Markdown coverage digests tailored for LLMs and autonomous agents by matching coverage deficits to their AST semantic boundaries rather than line numbers.

simple_group is able to add group function to ActiveRecord.

Skeem is a Scheme language interpreter implemented in Ruby.

Spandx is a ruby API for interacting with the spdx.org software license catalogue. This gem includes a command line interface to scan a software project for the software licenses that are associated with each dependency in the project. Spandx also allows you to hook additional information for each dependency found. For instance, you can add plugin to Spandx to find and report vulnerabilities for the dependencies it found.

Performance enhancements for ActiveFedora

Extends String with methods for reading, iterating, and manipulating individual bits in packed binary data.

Server-side rendering, caching, built on vite_rails.

Sxn simplifies git worktree management with intelligent project rules and secure automation