"The Custom Contextual Links module allows you to add your own links to the contextual drop down widgets of blocks and nodes."

By using the version of Geshi found at https://github.com/easybook/geshi , Sass and Twig syntax highlighting can be added to text fields in Drupal.

Let's you create, edit, and delete entity references from any form that includes an entity reference field.

This module might not work well with translation and workbench moderation.

Also see Field Collection

"This module provides an advanced Entity Reference widget that uses a view embedded in a modal dialog for selecting items. The view can be paginated and have exposed filters."

The Jammer module hides particular elements from edit forms, similar to the Simplify module. This module is mentioned on the revisioning module/s project page on Drupal.org.

From the project page: "Simplify allows particular fields to be hidden from the user interface. This helps to de-clutter forms and present a more user-friendly experience to content editors..."

"The Media module provides an extensible framework for managing files and multimedia assets, regardless of whether they are hosted on your own site or a 3rd party site - it is commonly referred to as a 'file browser to the internet'.

Media is a drop-in replacement for the Drupal core upload field with a unified User Interface where editors and administrators can upload, manage, and reuse files and multimedia assets....

The description on the module's project page sums this up: "The Translation Management Tool (TMGMT) module provides a tool set for translating content from different sources. The translation can be done by people or translation services of all kinds. It builds on and uses existing language tools and data structures in Drupal and can be used in automated workflow scenarios.

A distribution which is a central server for managing translation jobs.

Here are some common settings for HTMLawed that can be used as a more lenient 'filtered html' format for trusted editors that need a simple WYSIWYG. This configuration allows images, which can be a security risk. If you don't understand the risk, then leave Drupal's defaults the way they are and perhaps try to work with the Full HTML format or use CSS classes and stylesheets.