With Params validator oyu should be able to perform controller params validation easy and with any kind of type, format, or custom validation you already know and use in oyur models.

A comprehensive PostgreSQL monitoring and analysis library that provides insights into query performance, index usage, table statistics, and more. Includes a beautiful web dashboard and Telegram notifications.

ActiveRecord extensions for PostgreSQL. Provides useful tools for schema, foreign_key, index, function, trigger, comment and extension manipulations in migrations.

Simple activity feeds solution for Rails applications. Gives a flexible way to build activity feeds infrastructure over it.

Purecss CSS toolkit for Rails

Pure CSS framework, converted to Sass

SQL queries counter for Rails apps

This gem provides the Quill.js Rich Text Editor assets and view helper for your Rails 3.1/4.0 application.

Easily use 64-bit primary keys in Rails

Extend Rails Engine's business logic (models, controllers, helpers, etc.) easily from your application or other engine.

Makes upgrading to Rails 5 from Rails 4 easier

Ruby on Rails view helpers for the awesome Heroicons by Steve Schoger.

A rails engine adding an interface for translating and writing translation files. Works with rails 3 and 4.

Rails Lens provides unified visualization and annotation for Rails 7.2+ applications, integrating ERD generation and model annotations.

Introspects a Rails app's models, associations, and columns, then generates a single self-contained HTML file with an interactive entity-relationship diagram.

Server Timing headers for Rails apps

Run any Ruby script from the context of a web request.

This gem creates a Web Interface for interacting with Rake tasks.

Ember.js for the Rails asset pipeline.

Components allow you to call other actions for their rendered response while executing another action