Motion Firefox - All-in-one time management tool in Firefox

Everlist Task Manager - Groceries, trips, errands, and daily todos managed simply. get your tasks under lovely control.

Task Muncher - Task Muncher is a cross-platform and web-based application that is designed to organize and keep the track of everything and focus on munching the weekly tasks.

Week - Task management tool with a heavy focus on planning

Taskable - Using multiple work apps leads to tons of context switching, breaking flow and killing productivity.

TManager - TManager is the best hub for terriaria mobile players and communities.