Happy Tools by Automattic - A scheduling tool built for distributed teams
Timekit - The developer-friendly scheduling & booking solution
Talllly - A team to-do list that keeps score.
Roombelt - Roombelt displays details about the current and upcoming meetings right at the confluence room door. Say goodbye to meeting interruptions and double reservations in your office.
Checklist Generator - Create checklists for free and host them wherever you want.
RobinPowered - Robin coordinates meeting spaces, people, and things in your office. Complete with analytics and insights that uncover usage and help optimize space.