Tabwave - Replace your new tab with a mindful productive app
Taskable - Using multiple work apps leads to tons of context switching, breaking flow and killing productivity.
Reboot - It's okay to take a break
TideTask - Control your procrastination and never miss a task again
Breaktime - Break time is an app that reminds you to stand up every chosen amount of time.
Motion Firefox - All-in-one time management tool in Firefox