Motion Firefox - All-in-one time management tool in Firefox
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.
Things - Things is an easy to use task manager.
TideTask - Control your procrastination and never miss a task again
Taskable - Using multiple work apps leads to tons of context switching, breaking flow and killing productivity.
Asana - Asana project management is an effort to re-imagine how we work together, through modern productivity software. Fast and versatile, Asana helps individuals and groups get more done.