Motion Firefox - All-in-one time management tool in Firefox
Doneit - Meet Doneit, a feature-packed projects and tasks manager that focuses on simplicity and organization.
FocusList - Daily planner & focus timer based on timeboxing and pomodoro
Everlist Task Manager - Groceries, trips, errands, and daily todos managed simply. get your tasks under lovely control.
Teeny Breaks - Mindfulness tips to make the most of your breaks 🧠💖
Week - Task management tool with a heavy focus on planning