My Daily Planner - Organize your day with pen & paper. Free printable template.
Cron - Cron Calendar.
Amazing Marvin - Customizable personal productivity tool
KosmoTime - The to do list with super powers
FocusList - Daily planner & focus timer based on timeboxing and pomodoro
Vimcal - Vimcal is the world’s fastest calendar, beautifully designed for people who work remotely and live in their calendars.