This list of WordPress Plugins shows the ones we use on a regular basis at the moment. They have been found to be reliably coded and perform their task well. These Top WordPress Plugins are also well maintained with regular updates in sync with WordPress upgrades.
Anyone who has to edit code when working on a WordPress website will wonder how they ever got along without this useful tool
Very versatile Under Construction page maker, that provides full design control of the page with standard WordPress Editor for text entry.
The free version of this plugin offers a solid video player for local and embedded video. Single Video players and Multiple video Playlists can be created. You are limited to one “skin” in the free version. The upgrade allows for a high degree of interface customization.
This plugin is a very helpful guide to optimizing your website content. It offers exhaustive detail and coverage.
W3 Total Cache
Links die everyday for one reason or another ,and a dead link on your website is not a good idea. This handy helper keeps an eye on all your site links for you, and allows for quick fixes of any errant entries.
Ultimate Nofollow (adds the checkbox on the posts page)
WP External Links (only does a part of the nofollow job)
Jetpack has standard sharing.
Shareaholic has more features.
Akismet – spam protection