At DIYWebMastery we have produced a number of free and premium plugins:
AuthorSure is a free WordPress plugin that helps you get registered for Google Authorship and hence have your face appear alongside you entries in the SERPs.
CaptionPix is a free WordPress plugin that makes it easier add add frames and captions to your photos.
Footer Putter adds further credibility to your site with a professional footer that both search engines and your human visitors will love. Footer Putter is installed automatically by WP Whoosh on templates that do not include a Genesis child theme.
Genesis Club Lite
Genesis Club Lite allows you to make a number of changes you probably want to make to all your Genesis sites without having to delve into PHP; Logo replacement, label and breadcrumb replacement, 404 sitemap exclusions as well as features such as automatic author signatures on post and pages.
Genesis Club Pro
Genesis Club Pro offers everything Genesis Club Lite does, PLUS priority support and bonus features aimed at commercial sites where conversion, performance and mobile responsiveness are even more important.
Genesis Dambuster allows you to have full width, edge to edge, page templates on page builders such as Beaver Builder.
Slickr Flickr is a free plugin which allows you to display your Flickr photos on your WordPress site in slideshows, galleries and gallerias (large photo with carousel of thumbnails delay). It has had over 130,000 downloads and scores 4.2 out of 5.
Slickr Flickr Pro
Slickr Flickr Pro is the premium edition of Slickr Flickr which offers support and bonus features for business users such as private photos.
SubscriptionBoss is a premium WordPress plugin that integrates PayPal with Infusionsoft and allows you to have your clients pay using PayPal for both subscriptions and multiple payment plans.