Wow-Coupons has special pages for travel, rebates and restaurants, but they are strongest when it comes to groceries and retail.
Coupon Cravings has freebies and coupons for items around the house, like contact lens solution or disposable women’s razors.
Free Printable Coupons ain’t the prettiest site out there but it gets the job done. Expect food and retailer coupons.
Bargain Briana hosts Freebie Friday with links to many products that are gratis, of course!
For shipping coupons, look no further than FreeShipping.org, a site I have been a fan of for some time.