As of August 2015, there are free shipping coupons for Woot.com. CouponFollow.com, DealCatcher.com, TechBargains.com and CouponPlay.com are websites that have free shipping coupons for Woot.
CouponFollow.com has several Woot promotions that include free shipping coupons. The listed coupons are active, and users select the desired coupon to reveal the code. DealCatcher.com has some verified free shipping coupons for all shirts and all wines.
TechBargains.com has a free shipping coupon for T-Shirts purchased at Woot. CouponPlay.com offers free Woot shipping coupons and other Woot discounts for a variety of products. In addition to shipping coupons, Woot offers other discounts that are available on various shopping websites.