Views
Chaos tool suite (ctools)
partially
Entity API
Administration menu
Date
Webform
partially — this is still a contrib module
CKEditor – WYSIWYG HTML editor
Content Construction Kit (CCK)
Views Bulk Operations (VBO)
Wysiwyg
Link
Module Filter
Features
partially — this is still a contrib module but the functionality of export import config is in D8
Media
Entity reference
Transliteration
Variable
Menu block
Localization update
Internationalization
Internationalization Views
Administration Language
Strongarm
Email Field
File Entity (fieldable files)
Address Field
References
Page Title
Administration Views
Universally Unique IDentifier
Multiupload Filefield Widget
Multiupload Imagefield Widget
ImageAPI
Migrate
—
Services
Field formatter settings
Elements
String Overrides
Entity Translation
Breakpoints
Entity cache
Phone
Entity view modes
Image
—
Bean
Navbar
Admin
Date Popup Authored
Fieldable Panels Panes (FPP)
Views Responsive Grid
Default config
Picture
Save Draft
—
Caption Filter
Telephone
Modernizr
user picture field
Views content cache
RESTful Web Services
Drupal-to-Drupal data migration
Magic
Placeholder
Dialog
Responsive images and styles
Quick Edit
RSS Permissions
AutoUpload
Float filter
Editor
Views cache bully
Secure Permissions
Hidden Field Widgets
Lightbox2
jQuery Update
Underscore.js
https://drupalize.me/blog/201504/backbonejs-and-underscorejs-drupal-8
Backbone
“Drupal is primarily using Backbone.js to add data binding to complex front-end interactions”
Menu link (field)
Composer autoload
  lol
Resources
Drupal version:
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