We’ve included links to some of the plugins we discussed at our March 2013 meetup. Please use the comments box to suggest other “must have” plugins…
Contact Forms for WordPress Just Don’t Get Any Easier than Gravity Forms
Contact Form 7
Just another contact form plugin. Simple but flexible.
Back up, restore and move WordPress.
Broken Link Checker
This plugin will check your posts, comments and other content for broken links and missing images, and notify you if any are found.
Supercharge your WordPress site with powerful features previously only available to WordPress.com users.
Social Media Widget
Adds links to all of your social media and sharing site profiles. Tons of icons come in 3 sizes, 4 icon styles, and 4 animations.
WordPress SEO by Yoast
Improve your WordPress SEO: Write better content and have a fully optimized WordPress site using the WordPress SEO plugin by Yoast.
Google Analytics for WordPress
Track your WordPress site easily and with lots of metadata: views per author & category, automatic tracking of outbound clicks and pageviews.
Google XML Sitemaps
This plugin will generate a special XML sitemap which will help search engines to better index your blog.
Reduce image file sizes and improve performance using the Smush.it API within WordPress.
W3 Total Cache
Easy Web Performance Optimization (WPO) using caching: browser, page, object, database, minify and content delivery network support.
Better WP Security
The easiest, most effective way to secure WordPress. Improve the security of any WordPress site in seconds.