When2Meet - When2meet helps you find the best time for a group to get together. It is a free survey tool that is quick and easy to use.
Asana - Asana project management is an effort to re-imagine how we work together, through modern productivity software. Fast and versatile, Asana helps individuals and groups get more done.
x.ai - x.ai is a tool to schedule meetings for you and your team.
Meekan - Connecting the world's calendars
WhenAvailable - WhenAvailable is an excellent event management tool that allows scheduling the dinner party, book club meeting, and guys’ night out with simple and best ideas.
Sidequest for Slack - Create and track personal or support team tasks, 100% inside Slack.