WP Help
Add a help section to your WordPress admin, which you can add posts too using a custom post type. Create a reference document for clients that can be imported and synced between multiple installs.
Download Monitor
Easily make downloads available on your site with multiple versions. Style downloads layout using customizable content templates and include with a shortcode, widget or function.
Uber Login Logo
Switch out the image on the login screen of your WordPress install with any one you wish. It uses the native media uploader to allow you to upload any image, then automatically switches out the header image of the login page.
Toggle Wpautop
Add a button to your posts and pages to turn off the autop filter, which automatically adds line breaks and paragraph breaks to posts in the text editor and can cause issues with formatting.
Clef
Get rid of passwords altogether by using two-factor authorization. Install an app on your phone and use it to pair your smartphone to your site, automatically log in from trusted devices, and block everyone else.
Responsive Page Tester
View your page at different screen sizes right within your browser window automatically. Just chose the size you want to test your site at, or see them all at once, using a drop-down menu in your admin bar.
WP Bouncer
If a user logs in from two devices at the same time, then they will be bounced to a login warning, stopping users from sharing their login information with others. Works automatically with several rounds of detection.
Optimize Database
Sweep your WordPress install for superficial data stored in your database and make your site run faster and customizable. Tweak the optimization settings, and exclude any tables from being touched by the plugin at all if it stores sensitive data.
Google Maps Widget
Add a Google Map to WordPress using this widget. Maps are added as a linkable thumbnail which opens a map in a mobile-friendly Lightbox, so it is perfectly lightweight and customizable.
VaultPress
Provides security for your WordPress site, scanning your install for vulnerabilities and fixing them automatically. It also backups your site several times a day, so that you can restore it with a click of a button.
User Switching
Adds new functionality in your admin panel so that you can switch between users and edit posts or profiles, then easily switch back at any time. Also allows you to Switch Off admin so that you can view site as a logged out user.
MailPoet Newsletters
Use a drag and drop interface to create and edit newsletters, either automatically recurring or one at a time. Pull in content from your WordPress install and customize the look and feel of your newsletter. Mobile friendly.