View the WordPress admin as a different role or visitor, switch between users, temporarily change your capabilities, set screen settings for roles.
This plugin adds a sticky post switch functionality to the admin list post/custom post type pages.
Flags Icons Language Switcher.
Easily switch between themes for development and testing.
The Menu Swapper allows you to register custom theme locations and easily swap menus on individual Pages or Posts, all through the WordPress Admin Pan …
Fast user switching between users and roles directly from the admin bar - switch from a list or search for users/roles by id, username, mail etc.
Switch the taxonomy for all terms or only child terms of a specified parent term.
Save time switching between posts of any post-type in wp-admin.
Easily switch to any localization from GlotPress
Quickly and easily swap between themes. Adds a theme switcher to the WordPress Admin Bar with all parent/child themes, filtering and favorites list.
More customize option included with that.
A light-weight tool to turn on maintenance mode with just one click.