Vabotu - More than slack. More than Trello. FREE.
Meetingbird - Powerful meeting scheduling and notes — right in your calendar
Attentiv - Simple collaboration with upvotes, polls and anonymity
Mobilimeet - Mobilimeet is a smart collaboration app that makes meeting participants engaged and productive, in every meeting.
Do - Do helps you run productive meetings. Do work you love.
Deepwork.today - Keep a tab on your day