For examples of some of the plugins I’ve created see the following
There are many plugins that I’ve built that I cannot show. I have built custom plugins for almost every custom theme that I’ve developed that allow for the management of data specific to each client and for managing options in the theme.
Unfortunately I cannot give you access to the back-ends of the sites I’ve built, but I can show you some screenshots of my recent work.
Some of the sites that I’ve been involved in building custom themes for: