Create Facebook events automatically when you create WordPress posts. This plugin requires the Simple Facebook Connect plugin by Otto.
Create QR codes for your WordPress posts and pages
AppsGeyser Plug-in for WordPress allows you to convert your blog into a native Android app. Make your blog easy to read on mobile devices.
Awesome QRCode Generator WordPress Plugin
Take your blog to a whole new level by converting it to a magazine app for Android, iPad and the iPhone.
Review and edit your database without the need of PhpMyAdmin, all right from the dashboard!
Build your marketing Landing Page or Flyer in minutes. Easy to use page builder with WordPress Customizer
Plugin automatically generates eBooks from posts in different formats: PDF,MOBI and ePub.
Create meta boxes by creating and calling a function but without needing to reuse all of the same WordPress functions for doing so.
A Simple Slideshow Builder! :)
Adds a new column to the WordPress admin user list view, showing the date on which the user was created. The list can be sorted by this column.
NewsmanApp for WordPress - create and send newsletters from your blog posts, newsletter sign up widget and subscribers sync via API
A handy tool for batch creation of sub-pages for any page.
A WordPress's plugin to setting up posts as test data
Want to add and manage custom database tables from the admin area? This plugin contains several easily modified examples.