Best practice is to send text/plain && text/html markdown works great for both, so why write your templates twices?

Add Google Material Icons in your Rails projects easily. It is a library with +2500 icons ;)

Metamagic is a simple Ruby on Rails plugin for creating meta tags.

Sometimes we have to write some Rails code in the migrations and it's hard to keep them in working state because models wich are used there changes too often. there some techniques which help to avoid these pitfalls. For example, define model classes in the migrations or write raw SQL. But they don't help in 100% cases anyway. This gem promises to solve the problem in a simple way.

Mongify allows you to map your sql data into a mongodb document database with a simple DSL.

Multiple databases for Rails

A simple framework for building APIs with Grape

Add width, height and size methods to paperclip images

Write React UI components in pure Ruby.

Write Through and Read Through caching library inspired by CacheMoney and cache_fu, support ActiveRecord 4.

It allows an application to have many different ways of rendering static assets and dynamic views.

It can be useful when you you are developing some app where you will work with meetings, events etc.

X-editable for Rails

Idempotent operations for Rails apps, built on top of ActiveJob.

Administrate fields for active storage

Use this module to defer actions to the after-commit hook. This is useful if you want to trigger actions in after_create, after_destroy and after_update callbacks but want to execute them outside of the transaction (for example, to avoid deadlocks).

Define your permission rules as role- or role group specific permits. Integrates well with multiple Devise user acounts. Includes rules caching. Store permissions in yaml file or key-value store

This gem allows you to easily dump and transform subset of your ActiveRecord models and their relations.

This gem allows you to easily dump and transform subset of your ActiveRecord models and their relations.

Add social network friendship features to your Active Record models.