Best Useful Modules on Drupal 8

Admin Toolbar - Admin Toolbar intends to improve the default Drupal Toolbar (the administration menu at the top of your site) to transform it into a drop-down menu, providing a fast access to all administration pages. (or The Coffee module helps you to navigate through the Drupal admin faster)

Webform - Webform is the module for making forms and surveys in Drupal. After a submission customizable e-mails can be sent to administrators and/or submitters. Results can be exported into Excel or other spreadsheet applications. Webform also provides some basic statistical review and has an extensive API for expanding its features.

Blog - This blog module is the same included with Drupal core before version 8. It was removed from Drupal core

Paragraphs - Paragraphs is the new way of content creation!
It allows you — Site Builders — to make things cleaner so that you can give more editing power to your end-users.

Pathauto -The Pathauto module automatically generates URL/path aliases for various kinds of content (nodes, taxonomy terms, users) without requiring the user to manually specify the path alias.

Simple XML sitemap - Every webpage needs an automatic XML sitemap generator for SEO reasons. This module aims to be a replacement for the xmlsitemap module for Drupal 8. Simple xml sitemap is lighter than xmlsitemap in terms of resources and usability.

reCAPTCHA - Uses the Google reCAPTCHA web service to improve the CAPTCHA system. It is tough on bots and easy on humans. reCAPTCHA is built for security. Armed with state of the art technology, it always stays at the forefront of spam and abuse fighting trends. reCAPTCHA is on guard for you, so you can rest easy.

Search API - This module provides a framework for easily creating searches on any entity known to Drupal, using any kind of search engine. For site administrators, it is a great alternative to other search solutions, since it already incorporates facetting support and the ability to use the Views module for displaying search results, filters, etc.

Features - The features module enables the capture and management of features in Drupal. A feature is a collection of Drupal entities which taken together satisfy a certain use-case.

dropzonejs - Drupal integration for DropzoneJS - an open source library that provides drag’n’drop file uploads with image previews.

Slick Carousel- Slick is a powerful and performant slideshow/carousel solution leveraging Ken Wheeler's Slick carousel. (Slick Views - Provides Views style plugin, Slick Media- Provides integration between Slick carousel, Media Entity, and Video Embed Media)

REST UI - A user interface for configuring Drupal 8's REST module.

Google Analytics - This simple module allows site admins the ability to easily configure Google Analytics in Drupal.

view_unpublished - This module allows you to grant access for specific user roles to view unpublished nodes of a specific type. Access control is quite granular in this regard.

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