Motion Firefox - All-in-one time management tool in Firefox
Vabotu - More than slack. More than Trello. FREE.
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.
Tara AI - Define, plan & track mission-critical product updates, in one place.
Taskable - Using multiple work apps leads to tons of context switching, breaking flow and killing productivity.
Attentiv - Simple collaboration with upvotes, polls and anonymity