Yii is a fast, secure, and efficient PHP framework.

Flexible yet pragmatic. 
Works right out of the box. 
Has reasonable defaults.

Some beautiful plugins :

Yii2-user Dektrium :

Flexible user registration and authentication module for Yii2

Most of web applications provide a way for users to register, log in or reset their forgotten passwords. Rather than re-implementing this on each application, you can use Yii2-user which is a flexible user management module for Yii2 that handles common tasks such as registration, authentication and password retrieval. The latest version includes following features:

  • Registration with an optional confirmation per mail
  • Registration via social networks
  • Password recovery
  • Account and profile management
  • Console commands
  • User management interface
  • Ability to impersonate as another user given admin access is available

URL: dektrium/yii2-user

yii2-mpdf :

The yii2-mpdf extension is a Yii2 wrapper component for the mPDF library with enhancements.

The mPDF library offers ability to generate PDF files from UTF-8 encoded HTML. This library is based on FPDF and HTML2FPDF, with a number of enhancements. The key features in the library are to be able to generate PDF files 'on-the-fly' from HTML content, handling different languages. See the list of features and/or examples for the library. The yii2-mpdf extension offers an easy way to integrate and use the mPDF library within your Yii application with subtle enhancements.

URL : yii2-mpdf

yii2-social-share :

Extension for sharing on social networks

With this extension you can share data from your web pages to any social network! Features: SEO support, default icons for social networks, easy creation of custom drivers for other social networks and more!

Extension supports from the box next social network drivers:

  • Vkontakte
  • Facebook
  • Twitter
  • +Google
  • LinkedIn
  • Pinterest
  • Tumblr
  • Odnoklassniki
  • Trello

Drivers for messengers:

  • Telegram
  • Viber
  • WhatsApp

and other drivers:

  • Gmail
  • Yahoo

URL : yii2-social-share

yii2-user :

Yii2 User module

Just another user module and component. I've adopted some of the features of other user modules and added more advanced features.

  • Optional self registration via front end
  • Lost password retrieval(optional)
  • User administration interface
  • Flexible access control
  • Console commnads
  • Advanced user (optional)

URL : Yii2 User module