Here you'll find a listing of the reward programs you can join that will give you some free food with no other purchase required.
Dunkin' Donuts: Get a free coffee when you enroll, on your birthday, and for every 200 points spent when enrolled in the DDPerks Rewards Program.
Chili's: Join the Chili's Rewards program and you'll get a reward such as free chips and salsa or a free drink, just for joining.
IHOP: Join MyHop and you'll get a free Rooty Tooty Fresh N' Fruity stack of pancakes for signing up, on your membership anniversary, and on your birthday. You can also get free pancakes on IHOP Free Pancake Day.
T.G.I. Friday's: Get a free appetizer or dessert just for joining Fridays Rewards. You'll also get a free dessert on your birthday.
Krispy Kreme: Join the Krispy Kreme rewards program and you'll get an email for a free doughnut of your choice. There are plenty of other times during the year you can get free Krispy Kreme donuts.
Panera Bread: Join MyPanera and you'll get a free pastry item just for joining. They also give out tons of other freebies when you're a member.
Caribou Coffee: Sign up for Caribou Perks and you'll get a free medium drink.
Qdoba: Get a free order of chips and queso when you sign up for Qdoba Rewards.
Joe's Crab Shack: Get a free appetizer when you join Joe's Catch.
California Pizza Kitchen: Get a free small plate just for joining CPK Rewards.
Buca di Beppo: Join the Buca eClub and you'll get a $10 coupon redeemable for free food.
Corner Bakery: Join the eCafe and you'll get a coupon for a free bakery treat, no purchase required.
Rubio's: Join and download their app to get a free taco.
Raising Cane's: Get a free box combo for joining.
Bar Louie: Join Louie's Crew and you'll get emailed a coupon for a free appetizer, no purchase necessary.
Schlotzksy's: Download their insider rewards app for a free small classic sandwich.
Which Wich: Sign up for Vibe Club and you'll get a free drink just for joining. You'll also get a free regular 7" Wich for every 75 reward points you accumulate, plus a free Wich on your birthday.
Gordon Biersch: When you sign up for their Passport Rewards, you'll get a free $10 welcome gift card.
LaMar's Donuts: Get a free donut and coffee just for signing up for their reward program.
Backyard Burgers: Sign up for the Backyard Burgers Clubhouse and you'll get a free burger.
Dunn Brothers Coffee: Download the Dunn Bothers Coffee Rewards App and you'll get a free $3 credit.
Yogurtland: Join Yogurtland Real Rewards and you'll get 3 oz. of frozen yogurt for free, plus one on your birthday.
bd's Mongolian Grill: Sign up for bd's eClub and you'll get $5 off any purchase plus a free meal on your birthday.
Houlihan's: Get $10 off for joining their rewards program and a free entree on your birthday.
Moe's Southwest Grill: Get a free cup of queso when you sign up, plus a free burrito on your birthday.
Red Mango: Join the Red Mango Fanaddict and you'll get $2 off your next purchase and a $5 reward on your birthday.
Rock Bottom Brewery: Get $10 off your next visit when you become a Rock Rewards member.
Abuelo's: Join Mi Abuelo's Rewards and you'll get a special offer just for joining. They change this offer frequently, so you never know what you're going to get. As part of the reward program, you'll also get special offers for your birthday.
Bravo! Cucina Italiana: Just for joining myBRAVO! you'll get a free appetizer.
Coco's: You'll get a sweet treat when you sign up for Coco's eClub.
David's Tea: Get a free cup of tea when you sign up for a David's Tea profile. You'll also get a free tea on your birthday.
Cotton Patch Cafe: Join the Cotton Patch Club and they'll give you a free appetizer, dessert on your birthday, and an entree on your anniversary.
Hungry Howie's: Join the HowiEmail Club and you'll get a free order of original, cajun, or cinnamon Howie bread.
FATZ Cafe: Sign up for their eClub and you'll get $5 off your purchase.
Earl of Sandwich: Get $5 off any purchase when you join the Earl of Sandwich Royalty Club.
Elephant Bar Restaraunt: Get a free appetizer when you register for their rewards club.
Hard Times Cafe: Get a free chili mac when you sign up for their email club.
Lucille's Smokehouse: You'll get a free $10 off coupon when you join.
Andy's Frozen Custard: Get a free frozen custard cone when you join their rewards program.
Uncle Julio's Mexican: Get free tableside guacamole when you sign up for their loyalty club.
La Madeleine: Get a free cup of soup or petite salad when you join.
The Melting Pot: Join The Melting Pot's Club Fondue for a complimentary box of six of their Signature Dipped Strawberries.
(Provided by How to Get Free Food Just for Joining)
You'll get a very good coupon redeemable for some free food with these programs, but you'll need to make a minimum purchase to get them.
Arby's: Sign up with Arby's and you'll get free fries and a soft drink with any signature sandwich purchase.
Famous Dave's: Join the Famous Nation and you'll get a free burger or sandwich with any $5 or more purchase.
Pizza Hut: Sign up for Hut Rewards to get 2 points for every $1 spent, including delivery fees, to redeem on things like breadsticks, pizza, and wings.
Auntie Anne's: Download the free Auntie Anne's Pretzel Perks app and you'll get a free pretzel after you spend at least $1. They also give away a free pretzel as part of National Pretzel Day.
LongHorn Steakhouse: Get a free appetizer with the purchase of one adult entree when you join their eClub.
Del Taco: Get 2 free tacos with any purchase for signing up for Del Taco's raving fan club. You'll also get a free premium shake on your birthday.
Coldstone Creamery: When you join Coldstone Creamery's eClub, you'll get a coupon for a buy one creation, get one creation free.
Biaggi's: Join Club Biaggi's and you'll get a coupon for a free appetizer with the purchase of a full-size pasta or entree.
Village Inn: Sign up and get a free slice of pie with an adult entree purchase.
Fazolli's: Get a free build your own pasta with the purchase of an adult entree when you sign up for Fazoli's efamily.
Backyard Burgers: Join the Backyard Burgers Clubhouse and you'll get a coupon for a free burger with any purchase.
Taco Cabana: Become a loyalty member and you'll be rewarded with a free small quesadilla after your first purchase.
Mimi's Cafe: Join for a BOGO classic sundae.
Dairy Queen: Get a buy one, get one free Blizzard treat coupon when you join the Blizzard Fan Club.
On the Border: Sign up for Club Cantina for a free bowl of signature queso with the purchase of an entree.
PretzelMaker: Join the PretzelMaker fan club and you'll get a free pretzel when you buy one.
Carvel: Sign up and you'll get a coupon for a buy one get one free ice cream cone.
Black Angus Steakhouse: Join the Prime Club and you'll get a coupon for a free dessert with purchase of an entree. You'll also get a free steak dinner with entree purchase for your birthday.
Johnny Carino's: Each month you're a member of Pasta Points, you'll get a free offer of your choice at Johnny Carino's that includes a free appetizer, dessert, kid's meal, or Italian wedge salad. A purchase is required for the freebies.
Checkers: Sign up for Checkers' EClub and get a coupon for a free large fry with any purchase.
Chevys Fresh Mex: Join Chevy's eClub and you'll get a free appetizer with two adult entrees.
Culver's: Join for a free value basket with the purchase of another.
UNO Pizzeria & Grill: When you join the Uno Insider's Club, you'll get a free appetizer with the purchase of an entree as well as a free dessert (with a purchase) on your birthday.
Juice It Up: Sign up for their loyalty program and you'll get a free medium smoothie with a $10 purchase.
First Watch: Join the First Watch Sun eClub and you'll get a free entree when you buy one.
El Torito: Get a free appetizer with an adult entree when you sign up for their eClub.
Gold Star Chili: Get a free regular 3-way when you buy one for joining.
Acapulco: You'll get a free appetizer with the purchase of an entree when you sign up for their eClub.
Capriotti's Sandwich Shop: Join their CapAddicts eClub and you'll get a free upsize from a 9" to a 12" sub.
Duke's Chowder House: Sign up for Duke's VIP Club and you'll get a buy one get one lunch or dinner entree offer.
Marble Slab Creamery and Maggie Moo's - Make your first purchase after signing up to get a $5 reward towards other items.
(Provided by How to Get Free Food Just for Joining)