Happy Tools by Automattic - A scheduling tool built for distributed teams
TARS Meeting Chatbots - Book more meetings using chatbots
Talllly - A team to-do list that keeps score.
Checklist Generator - Create checklists for free and host them wherever you want.
Aerotime - Group meetings together and find time for deep work
Visual Designer Checklist - Workflow checklist tool for designers working within a team