Ruby Gem GitHub Repositories (2026) · Open Source Tools

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Scheduler / Cron for Sidekiq jobs

A simple Ruby Gem to bootstrap dependencies for setting up and maintaining a local Jekyll environment in sync with GitHub Pages

🚀 Configurable framework agnostic plain Ruby 📨 email validator/verifier. Verify email via Regex, DNS, SMTP and even more. Be sure that email address valid and exists.

A Ruby client library for Apache Kafka

Ruby gem & CLI to detect a project's open source license (SPDX) from LICENSE files, package manifests, and READMEs

ActiveRecord PostgreSQL Adapter extension for using a cursor to return a large result set

Puma integration for Capistrano

Create a Microservice in Rails with minimal ceremony

Release your ruby gems with ease.

Coercion and validation for data structures

A friendly and extensible CLI for deploying Rails apps via SSH

Upload, transform, optimize, and manage images and videos with Cloudinary from Ruby and Rails

Performances & exceptions monitoring for Ruby on Rails applications

🔩 A pure-Ruby library for parsing Mach-O files.

💎 The Missing Cheatsheet for Ruby

A lightweight, efficient Ruby gem for interacting with Whatsapp Cloud API.

Rails MCP server: stop AI coding agents from guessing your app. A Ruby gem with 35 read-only tools that give Claude Code, Cursor, GitHub Copilot, OpenCode and Codex CLI your real schema, models, routes, controllers and views. MCP or CLI, Gemfile or standalone, and it still answers when the app can't boot.

💳✨ Add usage-based credits to your Rails app

Simple and immutable URI/URL builder in Ruby, with a fluent interface