Vabotu - More than slack. More than Trello. FREE.
Attentiv - Simple collaboration with upvotes, polls and anonymity
Tara AI - Define, plan & track mission-critical product updates, in one place.
Trello - Infinitely flexible. Incredibly easy to use. Great mobile apps. It's free. Trello keeps track of everything, from the big picture to the minute details.
Do - Do helps you run productive meetings. Do work you love.
Kotive - Make-tasks-flow. Build & automate e-processes