10 Awesome Ruby Gems for Ruby on Rails Web Development
Tags: ruby, rails, webdev, programming
Published: 2021-08-21 20:28:59

**Ruby on Rails** is one of the most popular for developing web applications with influential features that aid to increase the speed of your web app development utilizing an MVC pattern.  It is intended in such a manner that it can be simply prolonged employing the most popular Ruby gems presented by the **Rails community**.

## What are gems in Ruby on Rails?
**Ruby Gems** is known as the package administrator for **Ruby** language that presents a classic format for dispensing Ruby libraries and programs. It distributes in an independent format termed a **gem** a tool designed to provide some awesome features for our project.

In the next list, we will see some **Ruby** useful Gems that developers often use for adding various functionalities to their projects.

### [RSpec](https://github.com/rspec/rspec)
One of the most popular Ruby Gems that’s also been downloaded the most, **RSpec** is fantastic for writing unit test cases. It is mainly used in BDD and TDD environments. The clear syntax of **RSpec** enables writing tests as close to human language as possible.

The Rails gem is efficient in testing the behavior of a particular model or a library. It is simple to use and can be executed by installing the configuration files and spec helpers.

### [Devise](https://github.com/heartcombo/devise)

**Devise** is a flexible authentication solution for **Ruby on Rails** based on Warden. The **Devise** Gem is used for user authentication, It creates sign-up and sign-in forms, it also can be used to create user accounts for privacy, and many more.

### [RuboCop](https://github.com/rubocop/rubocop)

**RuboCop** is used for analyzing the code quality, which assures that your code matches the **Ruby Style Guide** for writing the best program. **RuboCop** no leaves a chance for style violations.

### [OmniAuth](https://github.com/omniauth/omniauth)

**OmniAuth** is a library that standardizes multi-provider authentication for web applications. It was created to be powerful, flexible, and do as little as possible. Any developer can create strategies for **OmniAuth** that can authenticate users via disparate systems. **OmniAuth** strategies have been created for everything including **Facebook**, **Google**, and even **GitHub**.

### [Pry](https://github.com/pry/pry)

**Pry** is a runtime developer console and IRB alternative with powerful introspection capabilities. **Pry** aims to be more than an IRB replacement. It is an attempt to bring REPL driven programming to the Ruby language. **Pry** facilitates the process of debugging

### [Faker](https://github.com/faker-ruby/faker)

**Faker** is an awesome library that will allow us to generate fake data such as names, addresses, phone numbers, and many other topics. **Faker** can be used to generate test data to populate our database.

### [Simple Form](https://github.com/heartcombo/simple_form)

**Simple Form** aims to be as flexible as possible while helping you with powerful components to create your forms. The basic goal of **Simple Form** is to not touch your way of defining the layout, letting you find a better design for your eyes.


### [Webpacker](https://github.com/rails/webpacker)

**Webpacker** makes it easy to use the JavaScript pre-processor and bundler Webpack v5 to manage application-like JavaScript in Rails. It coexists with the asset pipeline, as the primary purpose for **Webpack** is app-like JavaScript, not images, CSS, or even JavaScript Sprinkles (that all continues to live in app/assets).

### [Bullet](https://github.com/flyerhzm/bullet)
The **Bullet** gem is designed to help you increase your application's performance by reducing the number of queries it makes. It will watch your queries while you develop your application and notify you when you should add eager loading (N+1 queries), when you're using eager loading that isn't necessary and when you should use counter cache.

### [Capistrano](https://github.com/capistrano/capistrano)

**Capistrano** is a framework for building automated deployment scripts. Although **Capistrano** itself is written in Ruby, it can easily be used to deploy projects of any language or framework, be it Rails, Java, or PHP. When **Capistrano** is installed, this gem gives you a ‘cap’ tool for deployments straight from your command line.


## Conclusion

As you may see, there are many great gems that we can use on our web applications. During this post, we have seen some awesome Ruby gems that will help us to do more effective work and quality code to develop the best application for our clients. 

I hope you find this article really helpful. I will be updating this post based on your comments and recommendations so let me know in any case. Thanks! 👍

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## References
- [RuboCop](https://github.com/rubocop/rubocop)
- [Devise](https://github.com/heartcombo/devise)
- [RSpec](https://github.com/rspec/rspec)
- [Simple Form](https://github.com/heartcombo/simple_form)
- [OmniAuth](https://github.com/omniauth/omniauth)
- [Pry](https://github.com/pry/pry)
- [Faker](https://github.com/faker-ruby/faker)
- [Webpacker](https://github.com/rails/webpacker)
- [Bullet](https://github.com/flyerhzm/bullet)
- [Capistrano](https://github.com/capistrano/capistrano)