TeuxDeux
Used by 9 peopleteuxdeux.com ↗

“I love the app TeuxDeux for to-do lists and rely on it more than is probably healthy.”
Laura Olin Interview, Digital strategist · via Uses This 
“I've recently adopted TeuxDeux to keep track of stuff that needs to be done.”
Keith Ehrlich Interview, Filmmaker (Made by Hand) · via Uses This 
“Occasionally I'll write to-do lists in there but mostly I use a combination of scribbled lists in notebooks and teuxdeux.”
Zara Gonzalez Hoang Interview, Designer, illustrator, developer, screen printer · via Uses This 

“On that note, however, I've recently started using TeuxDeux, which again strips everything about a to-do list back to the bare bones.”
Bobbie Johnson Interview, Writer · via Uses This