Clear
Used by 4 peoplerealmacsoftware.com ↗

“I recently also got CLEAR because it came free with my airline status.”
Simon Wistow Interview, Co-founder (Fastly) · via Uses This 
“In terms of my more basic task-to-task workflow, I recently started using Clear for to-do item management.”
Greg J. Smith Interview, Editor (HOLO), designer · via Uses This