WordPress out of the box is already technically quite a good platform for SEO. This was true when Joost wrote his original WordPress SEO article in 20 …
User Role Editor WordPress plugin makes user roles and capabilities changing easy. Edit/add/delete WordPress user roles and capabilities.
Secure your website with the most comprehensive WordPress security plugin. Firewall, malware scan, blocking, live traffic, login security & more.
The complete and reliable plugin for managing custom post types, custom taxonomies and custom fields.
A powerful rating / review system plugin for WordPress with a niche of doing multi ratings better than anyone else.
Backup and restoration made easy. Complete backups; manual or scheduled (backup to S3, Dropbox, Google Drive, Rackspace, FTP, SFTP, email + others).
Fully featured event registration management including recurring events, locations management, calendar, Google map integration, booking management
The easiest way to create powerful online communities and beautiful user profiles with WordPress
User listings, member directories, search, filter, export. Digs deep into data created by other plugins to produce unified user listings.
A different kind of WordPress form builder.
An advanced posts display widget with many options. Display posts in your sidebars any way you'd like!
WordPress Polls plugin. Visitors can choose multiple and adds their own answers. Works with cache plugins like WP Super Cache.
iThemes Security is the #1 WordPress Security Plugin
Simple, Fast & Secure frontend management of posts – Add, Edit, Delete posts from frontend – Full featured frontend management of posts.