Some sources for free kitchen cabinet plans are Totally-Free-Woodworking-Plans.com, WoodWorkersWorkshop.com, ExtremeHowTo.com, FreeWW.com and SawdustGirl.com. Totally Free Woodworking Plans has cabinet and other kitchen projects, furniture plans, outdoor designs, kid's projects and design patterns. It also has instructional videos for routers and other tools.
Wood Workers Workshop has both free and paid plans for cabinets. It also offers books and line art and has a store with a range of patterns for all types of woodworking projects.
Free Wood Working Plans has sections for the bedroom, dining room and kitchen, outdoors, the living room, and kid's plans. It also has a craft section containing subsections for repurposing wood, crafts, and holidays and yard art.
Extreme How-To offers instructions for decks, decorating, floors, garages, outdoor and painting. It also offers plumbing, remodeling, tool, window, door and woodworking sections. It has digital issues of its magazine, a video section and a directory for businesses offering services, from automotive to weatherproofing.
Sawdust Girl has projects and plans, tips, a section about the authors' homes, a sawdust diary section, and a mentorship program. You can schedule a consultation there, and it has a shop with promotional merchandise. It also sells e-books on cabinet building and master closet plans.