Hey, I'm Derek Hello Derek Castelli Designer and builder in Des Moines, Iowa. Self-taught, making websites since 2010 and apps on the side ever since. More about me Illustration by Darius Dan . I live in the Des Moines, IA area with my wife and our little zoo The zoo Two Australian Shepherds: Lilo, the runt of the litter, who's been by my side since 2015, and Kiya. Plus two cats, Leroy and Irma, thanks to my wife. A decade with Lilo . When I'm not at my Mac On my Mac Claude Desktop AppDaily driver.FigmaUI and systems.RaycastLauncher for everything.CleanShotScreenshots + recordings.HeliumPrivacy-first, Chromium-based.ScratchMarkdown scratchpad. , I'm at my church, learning the drums, or watching a sitcom On rotation The OfficeParks and RecreationSeinfeldModern Family . Now, I make websites with Kem Design and apps on the side—mainly Harvous and Koati.