Ruby

Stelligent/cfn_nagstelligent/cfn_nag

A linting tool that scans AWS CloudFormation templates for insecure infrastructure patterns and security violations.

Blueprinterprocore/blueprinter

A simple, fast, and declarative JSON serialization library for Ruby objects, designed as a Rails serializer alternative.

Screengifdergachev/screengif

A command-line tool to convert screencast video files into animated GIFs with customizable options.

Diffysamg/diffy

A Ruby gem for generating diffs between strings or files using Unix diff with multiple output formats.

doingttscoff/doing

A command line tool for tracking what you're doing and what you've done using a TaskPaper-formatted text file.

colorizefazibear/colorize

A Ruby gem that extends the String class with ANSI escape sequences for easy console text colorization.

Mochafreerange/mocha

A Ruby library for mocking and stubbing objects in unit tests with a unified syntax for Minitest, Test::Unit, and RSpec.

debugruby/debug

A modern debugger for Ruby (MRI) 2.7+ with remote debugging, VSCode/Chrome integration, and performance optimizations.

GeoPatternjasonlong/geo_pattern

Generate unique tiling SVG background patterns from any string using deterministic algorithms.

omniauth-facebookmkdynamic/omniauth-facebook

A Facebook OAuth2 strategy for OmniAuth, enabling Ruby applications to authenticate users via Facebook.

Invisible Captchamarkets/invisible_captcha

An unobtrusive spam protection gem for Rails applications using honeypot, time-sensitive, and IP-based techniques.

pgsliceankane/pgslice

A command-line tool for easy PostgreSQL table partitioning with zero downtime and minimal app changes.

Seed Fumbleigh/seed-fu

Advanced seed data handling for Rails, combining best practices for inserting and maintaining database seed data.

Xraybrentd/xray-rails

A development tool that reveals the Rails views, partials, and templates behind your UI with an overlay.

albaokuramasafumi/alba

A fast, easy, and feature-rich JSON serializer for Ruby, JRuby, and TruffleRuby with no runtime dependencies.

autoprefixer-railsai/autoprefixer-rails

A Ruby gem that automatically adds vendor prefixes to CSS rules using values from the Can I Use database.

New Relicnewrelic/rpm

A Ruby agent for monitoring application performance and business data with New Relic.

DatabaseConsistencydjezzzl/database_consistency

A Ruby gem that detects inconsistencies between ActiveRecord models and database schema to prevent data issues.

ahoy_emailankane/ahoy_email

First-party email analytics for Rails applications, providing message history, UTM tagging, and click tracking.

ActiveAttrcgriego/active_attr

A Ruby gem providing ActiveModel-like functionality for plain Ruby objects, including attributes, typecasting, mass assignment, and serialization.

Eyekostya/eye

A Ruby process monitoring tool inspired by Bluepill and God, built for production stability with advanced features like chained restarts and health checks.

generator-rn-toolboxbamlab/generator-rn-toolbox

A Yeoman generator collection for bootstrapping React Native projects with linting, CI/CD, assets, and environment setup.

git-extra-commandsunixorn/git-extra-commands

A collection of over 100 git utility scripts for branch management, commit history, and repository maintenance.

exconexcon/excon

A usable, fast, and simple HTTP 1.1 client library for Ruby, ideal for API clients and general HTTP requests.

awspeck1LoW/awspec

RSpec-based testing framework for validating AWS infrastructure and resources.

Carmenjim/carmen

A Ruby library providing a clean API for accessing and managing geographic country and region data with internationalization support.

Phonelibdaddyz/phonelib

A Ruby gem for phone number validation, formatting, and parsing using Google's libphonenumber data.

vagrant-hostsupdatercogitatio/vagrant-hostsupdater

A Vagrant plugin that automatically manages /etc/hosts entries for your development VMs.

Spreadsheetzdavatz/spreadsheet

A Ruby library for reading, writing, and modifying Microsoft Excel-compatible spreadsheet documents (XLS format).

Seedbankjames2m/seedbank

A Ruby gem that structures Rails seed data with environment-specific seeds, dependencies, and rake task integration.

ActiveScaffoldactivescaffold/active_scaffold

A Rails gem that provides a quick and powerful user interface for CRUD operations, including search, pagination, and layout control.

CocoaConferencesLascorbe/CocoaConferences

A curated list of conferences for Apple platform developers (iOS, macOS, visionOS, watchOS, tvOS) and related ecosystems.

Itamaeitamae-kitchen/itamae

A simple and lightweight configuration management tool inspired by Chef, using a Ruby DSL for idempotent server provisioning.

active_decoratoramatsuda/active_decorator

An ORM-agnostic decorator pattern library for Rails that automatically enhances models with view-specific logic.

Ponybenprew/pony

A Ruby gem for sending email with a simple, expressive API using a single command.

Slopleejarvis/slop

A simple, lightweight Ruby gem for parsing command-line options with an intuitive DSL.