If you want to get an email with errors and fatal log lines you can use this gem.

Rails専用のログプロファイリング

Rails middleware for Lograge with support to log exceptions from Rails and ActiveJobs

Export logs for your Rails application to Loki instance and access them through Grafana dashboard.

creates look up table functionality on a model

markdown for rails

Rename rails models, magically. Pre-release, not production ready

Generate a Rails app with application templates

RailsMap automatically generates beautiful, interactive API documentation for your Rails application. Features: • Live documentation via Rails Engine at /rails-map • Static HTML generation for offline use • Automatic parameter detection (path, query, body) • Route documentation with HTTP methods...

Allows you to use markdown templates with placeholders in rails application

A MarkDown TextEditor with jQuery and Markitup! and redcarpet

expose presence-validation in a more controller-friendly manner

AWS KMS decryption for rails credentials

Use this gem to match attributes between your object instances. It basically returns the percentage of attributes matched between two instances.

Simple menu manager for Rails.

Easily manage your meta tags in rails projects

Adds several additional operations useful for customizing your Rails middleware stack.

Print Log for request when every middleware start in Rails. You can set which request to log, and the content you want to print.

Runs Rails migrations in a Redis-backed mutex.

Gem Rails like Sinatra