What are some other ways to respond to someone saying "thank you" besides "de rien" or "vous êtes bienvenue"?

Read also:

• Should parents force their kids to go to school when they are sick?
• Biologists finally unravel the surprising story of how humans domesticated pigs - Earth.com
• Which brand is the best home slippers in the Middle East?
• Why do wokes use words like "homophobes" when they don't know what that means? Do they realize that no one is afraid of them?
• Why do Indian parents force their kids to do stuff?
• Why am I so triggered and depressed over a minor thing?
• Why is the mainstream media, traditionally liberal except for Fox, not reporting on Trump like he's a traditional candidate who has ideas, values, and a concern for the common good?
• I think that being gay is wrong, but I treat gay people respectfully like any other person. Is it homophobic? Or offensive in any kind of way? Aren’t disagreement and discrimination two different things?
• Why is there so much evil in the world?
• Why do so many 18 to 29-year-old men struggle in dating?
• Are you offended if Democrats call Republicans "weird"?
• Novel coating shields iron from rust with 99.6% efficiency - Phys.org
• My cantankerous beagle is very badly behaved at the dog park and always starts barking at the other dogs. Would pepper spray be an effective method to correct his inappropriate behavior?
• Is Melania still angry that she failed as a model? Why is she so cold and hostile? Why did she blame everyone for her actions in her trite book?
• Why do flat-Earthers think the Earth is flat?