https://www.socialnature.com/allergen-free-chocolates -click the apply button for a chance to Get a voucher for 1 FREE bag of Free2b Foods Allergen-Free Chocolates, (4.2oz/119g) with a value up to $6.99

https://progoinsiders.com/p/15901-ProGo-apply-now-for-a-chance-to-sample-our-high-protein-energy-bars -click the apply button for a chance to get PROGO High-Protein Energy Bars for free. They may provide you with an Amazon gift card and ask you to submit a review.

https://zestypawsinsiders.com/p/15837-ZestyPaws-apply-to-receive-a-free-zesty-paws-supplement-for-dogs -fill out the form for a chance to try Zesty Paws Supplement for Dogs for free. They may provide you with an Amazon gift card and ask you to review it.

https://app.sampler.io/SKYNNaturallyEndless -register or login with your Sampler account to see if you qualify for a Free SKYNN Naturally Endless Lubricant.

https://www.surveymonkey.com/r/tcicpaidsocial -“The survey will take less than 10 minutes to complete. As an appreciation for
completing this survey, we will email you a 50% off discount code which you
can use for an upcoming order from our web store, TrueCitrus.com. If you’re
selected to participate in a True Citrus survey, we will send you
complimentary gifts for your participation“

https://tailtownpets.socialmedialink.com/members/sign_in#/ -login or register and look for the mission on your dashboard to try Merrick Dog Food for free.

https://laundrysauceinsiders.com/p/15646-laundrysauce-exclusive-opportunity -click the apply button and fill out the form for a chance to try Laundry Sauce Detergent Pods for free. They may provide you with an amazon gift card and ask you to review them.

https://beekeepersinsiders.com/p/15556-beekeepers-apply-now-for-a-chance-to-sample-our-natural-hive-powered-products -click apply and fill out the form for a chance to try Beekeeper’s Naturals Products for free. They may provide you with an amazon gift card and ask you to post a review.

http://esearch.com/join/ -register for Esearch Research Panel for a chance to be selected for various product tests. They’ll contact you when they have new tests available.
–Update– this program is still available. I usually get approved for a few product tests from them every year.