Probably the fastest and most dramatic way to makeover the look of your kitchen is to replace the cabinet doors. And, if you have a table saw and a few clamps, you can inexpensively create cove-style raised panel cabinet doors following these free woodworking plans.
Build your own raised panel doors using this complete step-by-step tutorial. Lot of pictures as well to help guide you through the process.
Build your own Shaker cabinet doors using this free tutorial. All you need is oak strips, plywood, wood glue and a table saw.
At the link you can download the free plans to build your own tongue and groove cabinet doors.
Build your own flat panel cabinet doors using this free tutorial. You can use 1/4 inch plywood or beadboard for the panel.
Build Shaker style cabinet doors with beadboard panels with these instructions. Shaker style doors are easy to build using basic tools like a table saw, router and miter saw.
This is probably the easiest way I have found to build strong (inset panel) cabinet doors.
This is a link to a Google 3D SketchUp drawing for a raised panel door which can be constructed using a table saw and router table with stile and rail bits. You will need the SketchUp software to download this drawing and its freely available online.
At the link scroll down the page and find Issue 32. I like to cut raised panels with the table saw, and there are a couple of thing, I do to end up with smooth, clean bevels and shoulders.
These frames use cope and stick joints at the corners, which give a strong tongue and groove joint and a mitered moulding look on the inside detail. A groove or rabbet is also created at the same time to hold a raised, flat, or glass panel.