KosmoTime - The to do list with super powers
Cron - Cron Calendar.
Memorigi - A different to-do list, task manager and reminder app
Vimcal - Vimcal is the world’s fastest calendar, beautifully designed for people who work remotely and live in their calendars.
EveryPlan - Routines to promote wellbeing
Centered - Centered helps you get into a Flow State faster and stay there longer so you can do your best work.