songjiz

active_storage_validations

Do it like => validates :photos, attached: true, content_type: ['image/png', 'image/jpg', 'image/jpeg'], size: { less_than: 500.kilobytes }, limit: { min: 1, max: 3 }, aspect_ratio: :landscape, dimension: { width: { in: 800..1600 }

ruby-c-extensions-explained

Examples of C extensions in Ruby gems

ferrum

Headless Chrome Ruby API

solid_queue

Database-backed Active Job backend

motionone

popmotion

Simple animation libraries for delightful user interfaces

activerecord-enhancedsqlite3-adapter

ActiveRecord adapter for SQLite that enhances the default. Back-ports generated column support, deferred foreign key support, custom foreign key support, improved default configuration, and adds support for pragma tuning and extension loading

yabeda

Extendable framework for collecting and exporting metrics from your Ruby application

statsd-instrument

A StatsD client for Ruby apps. Provides metaprogramming methods to inject StatsD instrumentation into your code.

local_time

Rails engine for cache-friendly, client-side local time

good_job

Multithreaded, Postgres-based, Active Job backend for Ruby on Rails.

kamal

Deploy web apps anywhere.

cloudflared

Cloudflare Tunnel client (formerly Argo Tunnel)

TurboNavigator

A drop-in class for Turbo Native apps to handle common navigation flows.

geared_pagination

Paginate Active Record sets at variable speeds

toolbar

Programmatically constructing an NSToolbar

chatwoot

Open-source live-chat, email support, omni-channel desk. An alternative to Intercom, Zendesk, Salesforce Service Cloud etc. 🔥💬

uart

Simple serial / UART interface for Ruby

nice_partials

A little bit of magic to make partials perfect for components.

redlock-rb

Redlock is a redis-based distributed lock implementation in Ruby. More than 20M downloads.

jmespath.rb

Ruby implementation of JMESPath

pagy

🏆 The Best Pagination Ruby Gem 🥇

invisible_captcha

🍯 Unobtrusive and flexible spam protection for Rails apps

premailer-rails

CSS styled emails without the hassle.

postmark-templates

Rock-solid transactional email templates for applications.

turbo

The speed of a single-page web application without having to write any JavaScript

stimulus

A modest JavaScript framework for the HTML you already have

importmap-rails

Use ESM with importmap to manage modern JavaScript in Rails without transpiling or bundling.

torch.rb

Deep learning for Ruby, powered by LibTorch

request.js