Though not exclusively made for custom t-shirt designs, you can easily integrate pre-made templates to layer beneath your graphics. Change colors, add text, draw designs, and blend elements freely.

A great white T-shirt is a wardrobe workhorse, but finding your go-to tee can feel like a daunting task. We enlisted a panel of five testers to find the very best. Connie Park/NYT Wirecutter A ...